├── .gitignore ├── 经典面试题 └── nodejs中的事件循环 │ └── testReadFile.js ├── README.md ├── css相关 ├── 烟花绽放 │ └── 烟花雪碧图.png ├── 有用的伪类 │ └── in-out-range.html ├── 省略号动画 │ ├── inline-table加动画实现.html │ └── 伪类实现.html ├── 两列布局 │ ├── 左侧定宽右侧自适应 │ │ ├── 2.浮动+calc.html │ │ ├── 4.margin-left.html │ │ ├── 3.flex.html │ │ └── 1.inline-block.html │ └── 左侧由内容决定右侧补齐剩余空间 │ │ ├── 1.flex.html │ │ ├── 2.grid.html │ │ └── 3.浮动+bfc.html ├── 三列布局 │ ├── 3.flex.html │ ├── 4.grid.html │ ├── 2.table.html │ └── 1.float.html ├── css实现输入错误时抖动效果 │ └── index.html └── 毛玻璃效果 │ └── backdrop-fit属性.html ├── js实现常见库的功能 └── 原生JS实现图片懒加载 │ └── images │ ├── 1.png │ ├── 2.png │ ├── 3.png │ ├── 4.png │ ├── 5.png │ └── 6.png ├── js-实现原生api ├── JS模块化规范 │ ├── commonjs │ │ ├── 循环引用 │ │ │ ├── a.js │ │ │ ├── b.js │ │ │ └── main.js │ │ └── 手写一个require，缓存问题 │ │ │ ├── index.js │ │ │ └── main.js │ └── esmodule │ │ └── 导出是绑定的，无论是否基本类型 │ │ ├── main.js │ │ ├── index.html │ │ └── foo.js ├── ES5实现ES6的let和const │ └── 实现let.html ├── setTimeout、setInterval │ └── setInterval实现setTimeout.html ├── ajax │ └── 原生ajax请求.js ├── 数组类 │ ├── 实现数组push方法.html │ ├── 实现数组find.html │ └── 实现数组findIndex.html ├── JSON相关 │ └── 1.实现JSON.parse.html ├── 数字类 │ ├── 实现数字相乘.html │ └── 实现数字相加.html └── 1.实现instanceof.html ├── canvas的常见demo └── canvas识别纯色图片的图形数量和面积 │ └── images │ ├── 1.jpg │ ├── 2.jpg │ └── 3.jpg ├── js小工具demo ├── 判断设备类型 │ ├── 1.判断移动端.js │ └── 2.判断安卓或IOS.js ├── 检查规则类 │ ├── 检查数字是偶数还是奇数.html │ └── 检查日期是否为周末、工作日.html ├── 数字类操作 │ ├── 求所有参数的平均值.html │ ├── 阶乘函数.html │ ├── 判断非数字_isNaN.html │ └── 摄氏度和华氏度转换.html ├── 随机 │ └── 随机生成 │ │ ├── 随机获取布尔值.html │ │ └── 数字 │ │ └── 在min、max范围内生成随机数.html ├── 字符串类操作 │ ├── 字符串第一个字母大写 │ │ └── index.html │ ├── 字符和ASCII互相转换.html │ ├── 截断字符串加省略号 │ │ ├── 结尾处截断并加省略号.html │ │ └── 中间处截断并加省略号.html │ ├── 大小写反转.html │ └── 判断不能有相同长度超过2的子串重复.html ├── 将文字复制到剪切板.html ├── 禁止类工具函数 │ ├── 禁止右键、选择、复制.html │ └── 禁止某些键盘事件.html ├── 合并 │ └── 合并多个数组.html ├── 时间和日期相关 │ ├── 计算两个日期之间的天数.html │ └── 给定起止日期返回中间所有月份.html ├── DOM相关 │ ├── 获取dom元素的所有祖先.html │ ├── 处理元素外的点击事件.html │ └── 判断一个元素是否包含另一个元素.html ├── 生成UUID.html ├── interval和repeat相关工具函数 │ └── 生成重复的字符串.html ├── 颜色工具 │ └── 输出十六进制随机颜色 │ │ └── index.html ├── 3.once函数.html ├── cookies操作 │ └── cookies操作.js ├── 函数只能执行一次 │ └── 函数只能执行一次.html ├── 衡量函数的性能 │ └── 衡量函数的性能.html ├── 网络请求相关 │ └── fetch网络请求自动重试retry.html ├── 如何找到当前页面出现次数最多的html标签.html └── 添加默认值或报错提示 │ └── 添加默认值或报错提示.html ├── webpack相关 └── 写一个helloword的webpack插件 │ ├── webpack.config.js │ └── index.js ├── nodejs相关 ├── nodejs中间件 │ └── 实现一个中间件打印当前访问的URL │ │ ├── index.js │ │ └── log.js └── node-cluster │ ├── cluster.js │ ├── app.js │ └── pm2.config.js ├── babel相关 └── 手写插件 │ └── 数字预计算插件 │ └── test.js ├── 016.最接近的三数之和 └── 016 solution.html ├── 2235.两整数相加 └── 2235solution.html ├── 正则表达式 └── 常见正则面试题 │ ├── 提取日期字符串的数字.html │ ├── 正则match和小括号使用注意点.html │ ├── 1.叠词数量.html │ └── 多个空格转成一个空格，各种正则性能对比.html ├── 1707 与数组中元素的最大异或值 └── 1707 solution.html ├── URL相关 ├── 1.获取基础的url.html └── 2.检查url是否绝对的.html ├── 1108.IP地址无效化 └── 1108 solution.html ├── 237.删除链表中的节点 └── solution.html ├── 2413.最小偶倍数 └── 2413 solution.html ├── 1784.检查二进制字符串字段 └── 1784 solution.html ├── 2236.判断根节点是否等于子节点之和 └── 2236 solution.html ├── 2683.相邻值的按位异或 └── 2683 solution.html ├── 2469.温度转换 └── 2469 solution.html ├── 2446.判断两个事件是否存在冲突 └── 2446 solution.html ├── 3227.字符串元音游戏 └── 3227 solution.html ├── 2769.找出最大的可达成数字 └── 2769 solution.html ├── package.json ├── 2027.转换字符串的最少操作次数 └── 2027 solution.html ├── 292.Nim游戏 └── solution.html ├── 2582.递枕头 └── 2582 solution.html ├── 1374.生成每种字符都是奇数个的字符串 └── 1374 solution.html ├── 3131.找出与数组相加的整数I └── 3131 solution.html ├── react相关 └── 手写一个redux中间件.js ├── 2656.K个元素的最大和 └── 2656 solution.html ├── 319.灯泡开关 └── solution.html ├── 2278.字母在字符串中的百分比 └── 2278 solution.html ├── 3432.统计元素和的差值为偶数的分区方案数 └── 3432 solution.html ├── 3110.字符串的分数 └── 3110 solution.html ├── 2651.计算列车到站时间 └── 2651 solution.html ├── 2481.分隔圆的最少切割次数 └── 2481 solution.html ├── 470.用rand7()实现rand10() └── 470 solution.html ├── LCP06.拿硬币 └── 拿硬币.html ├── 1753.移除石子的最大得分 └── 1753 solution.html ├── 2485.找出中枢整数 └── 2485 solution.html ├── 575.分果糖 └── 575 solution.html ├── 1732.找到最高海拔 └── 1732 solution.html ├── 3370.仅含置位位的最小整数 └── 3370 solution.html ├── 1812.判断国际象棋棋盘中一个格子的颜色 └── 1812 solution.html ├── 2331.计算布尔二叉树的值 └── 2331 solution.html ├── 521.最长特殊序列I └── 521 solution.html ├── 303.区域和检索-数组不可变 └── solution.html ├── 814.二叉树剪枝 └── 814 solution.html ├── 2595.奇偶位数 └── 2595 solution.html ├── 2974.最小数字游戏 └── 2974 solution.html ├── 2673.使二叉树所有路径值相等的最小代价 └── 2673 solution.html ├── 754.到达终点数字 └── 754 solution.html ├── 2294.划分数组使最大差为K └── 2294 solution.html ├── 287.寻找重复数 └── solution.html ├── 二进制转字符串 └── solution.html ├── 2530.执行K次操作后的最大分数 └── 2530 solution.html ├── 2716.最小化字符串长度 └── 2716 solution.html ├── 3065.超过阈值的最少操作次数I └── 3065 solution.html ├── 933.最近请求次数 └── 933 solution.html ├── 3340.检查平衡字符串 └── 3340 solution.html ├── 344.反转字符串 └── 344 solution.html ├── 769.最多能完成排序的块 └── 769 solution.html ├── 1290.二进制链表转整数 └── 1290 solution.html ├── 1822.数组元素积的符号 └── 1822 solution.html ├── 3019.按键变更的次数 └── 3019 solution.html ├── 1281.整数的各位积和之差 └── 1281 solution.html ├── 2544.交替数字和 └── 2544 solution.html ├── 2789.合并后数组中的最大元素 └── 2789 solution.html ├── 3487.删除后的最大子数组元素和 └── 3487 solution.html ├── ！补充题 12.trim函数 └── trim函数.html ├── 2520.统计能整除数字的位数 └── 2520 solution.html ├── 561.数组拆分 I └── 561 solution.html ├── 1013.数组分成和相等的三个部分 └── 1013 solution.html ├── 1758.生成交替二进制字符串的最少操作数 └── 1758 solution.html ├── 2185.统计包含给定前缀的字符串 └── 2185 solution.html ├── 263.丑数 └── solution.html ├── 371.不是用+-计算两整数之和 └── 371 solution.html ├── 1038.从二叉搜索树到更大和树 └── 1038 solution.html ├── 1317.将整数转换为两个无零整数的和 └── 1317 solution.html ├── 2740.找出分区值 └── 2740 solution.html ├── 2864.最大二进制奇数 └── 2864 solution.html ├── 3330.找到初始输入字符串I └── 3330 solution.html ├── 1480.一维数组的动态和 └── 1480 solution.html ├── 2255.统计是给定字符串前缀的字符串数目 └── 2255 solution.html ├── 2535.数组元素和与数字和的绝度差 └── 2535 solution.html ├── 2938.区分黑球与白球 └── 2938 solution.html ├── 比较两个字符串，标记出增删改的位置 └── 比较两个字符串，标记出增删改的位置改的位置.html ├── 2455.可被三整除的偶数的平均值 └── 2455 solution.html ├── 2951.找出峰值 └── 2951 solution.html ├── 1911.最大子序列交替和 └── 1911 solution.html ├── 2341.数组能形成多少数对 └── 2341 solution.html ├── 3046.分割数组 └── 3046 solution.html ├── 342.4的幂 └── 342 solution.html ├── 3423.循环数组中相邻元素的最大差值 └── 3423 solution.html ├── ！补充题48.打开任意网页用JS打印所有s和h开头的标签并计数 └── 打开任意网页用JS打印所有s和h开头的标签并计数.html ├── 1619.删除某些元素后的数组均值 └── 1619 solution.html ├── 3185.构成整天的下标对数目II └── 3185 solution.html ├── 1003.检查替换后的词是否有效 └── 1003 solution.html ├── 2395.和相等的子数组 └── 2395 solution.html ├── 3038.相同分数的最大操作数目I └── 3038 solution.html ├── 3101.交替子数组计数 └── 3101 solution.html ├── 3255.长度为K的子数组的能量值II └── 3255 solution.html ├── 3392.统计符合条件长度为 3 的子数组数目 └── 3392 solution.html ├── 剑指offerII 041.滑动窗口的平均值 └── 滑动窗口的平均值.html ├── 1827.最少操作使数组递增 └── 1827 solution.html ├── 2315.统计星号 └── 2315 solution.html ├── 2390.从字符串中移除星号 └── 2390 solution.html ├── 2575.找出字符串的可整除数组 └── 2575 solution.html ├── 3174.清除数字 └── 3174 solution.html ├── ！补充题 3.计算字符串字节数 └── 计算字节长度.html ├── 1785.构成特定和需要添加的最少元素 └── 1785 solution.html ├── 2678.老人的数目 └── 2678 solution.html ├── 3516.找到最近的人 └── 3516 solution.html ├── 453.最小操作次数使数组元素相等 └── 453 solution.html ├── 976.三角形最大周长 └── 976 solution.html ├── 050.实现幂函数 └── 050 solution.html ├── 1217.玩筹码 └── 1217 solution.html ├── 2145.统计隐藏数组数目 └── 2145 solution.html ├── 2335.装满杯子需要的最短时长 └── 2335 solution.html ├── 2798.满足目标工作时长的员工数目 └── 2798 solution.html ├── 3304.找出第K个字符I └── 3304 solution.html ├── 459.是否由子串重复多次构成 └── 459 solution.html ├── 492.构造矩形 └── 492 solution.html ├── 2364.统计坏数对的数目 └── 2364 solution.html ├── 2942.查找包含给定字符串的单词 └── 2942 solution.html ├── 3375.使数组的值全部为 K 的最少操作次数 └── 3375 solution.html ├── 169.求众数,出现次数超过2分之n的第一个元素 └── 169 solution.html ├── 908.最小差值I └── 908 solution.html ├── 1800.最大升序子数组和 └── 1800 solution.html ├── 1877.数组中最大数对和的最小值 └── 1877 solution.html ├── 2578.最小和分割 └── 2578 solution.html ├── 2917.找出数组中的k-or值 └── 2917 solution.html ├── 3194.最小元素和最大元素的最小平均值 └── 3194 solution.html ├── ！补充题23.删除重复节点 └── 删除重复节点.html ├── 2828.判别首字母缩略词 └── 2828 solution.html ├── 989.数组形式的整数加法 └── 989 solution.html ├── 1018.可被5整除的二进制前缀 └── 1018 solution.html ├── 2923.找到冠军I └── 2923 solution.html ├── 1441.用栈操作来构建数组 └── 1441 solution.html ├── 1963.使字符串平衡的最小交换次数 └── 1963 solution.html ├── 2465.不同的平均值数目 └── 2465 solution.html ├── 3184.构成整天的下标对数目I └── 3184 solution.html ├── 326.3的幂 └── solution.html ├── 434.字符串中的单词数 └── 434 solution.html ├── 124.二叉树中最大路径和 └── 124 solution.html ├── 1375.二进制字符串中前缀一致的次数 └── 1375 solution.html ├── 1720.解码异或后的数组 └── 1720 solution.html ├── 2037.使每位学生都有座位的最少移动次数 └── 2037 solution.html ├── 2129.将标题首字母大写 └── 2129 solution.html ├── 3158.求出出现两次数字的XOR值 └── 3158 solution.html ├── 901.股票价格跨度 └── 901 solution.html ├── 1186.删除一次得到子数组最大和 └── 1186 solution.html ├── 1470.重新排列数组 └── 1470 solution.html ├── 746.使用最小花费爬楼梯 └── 746 solution.html ├── 069.求平方根 └── 069 solution.html ├── 1448.统计二叉树中好节点的数量 └── 1448 solution.html ├── 1798.你能构造出连续值的最大数量 └── 1798 solution.html ├── 1845.座位预约管理系统 └── 1845 solution.html ├── 2588.统计美丽子数组数目 └── 2588 solution.html ├── 714.买卖股票的最佳时机+有手续费 └── 714 solution.html ├── 1598.文件夹操作日志搜集器 └── 1598 solution.html ├── 2125.银行中的激光束数量 └── 2125 solution.html ├── 2221.数组的三角和 └── 2221 solution.html ├── 2562.找出数组的串联值 └── 2562 solution.html ├── 674.最长连续递增序列 └── 674 solution.html ├── 常见手写题 └── 变量提升和作用域.html ├── 1044.最长重复子串 └── 1044 solution.html ├── 1250.检查好数组 └── index.html ├── 1637.两点之间不包含任何点的最宽垂直区域 └── 1637 solution.html ├── 2171.拿出最少数目的魔法豆 └── 2171 solution.html ├── 3274.检查棋盘方格颜色是否相同 └── 3274 solution.html ├── 724.寻找数组的中心索引 └── 724 solution.html ├── 1780.判断一个数是否可以表示成三的幂的和 └── 1780 solution.html ├── 2834.找出美丽数组的最小和 └── 2834 solution.html ├── 3146.两个字符串的排列差 └── 3146 solution.html ├── 891.子序列宽度之和 └── 891 solution.html ├── 899.有序队列 └── 899 solution.html ├── 1026.节点与其组先之间的最大差值 └── 1026 solution.html ├── 3096.得到更多分数的最少关卡数目 └── 3096 solution.html ├── 942.增减字符串匹配 └── 942 solution.html ├── 1446.连续字符 └── 1446 solution.html ├── 1561.你可以获得的最大硬币数目 └── 1561 solution.html ├── 258.各位相加 └── solution.html ├── 3206.交替组I └── 3206 solution.html ├── 1672.最富有客户的资产总量 └── 1672 solution.html ├── 1984.学生分数的最小差值 └── 1984 solution.html ├── 2011.执行操作后的变量值 └── 2011 solution.html └── 2414.最长的字母序连续子字符串的长度 └── 2414 solution.html /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | node_modules -------------------------------------------------------------------------------- /经典面试题/nodejs中的事件循环/testReadFile.js: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Algorithms-JS 2 | 3 | 1.LeetCode算法题的JS解法✏️📒 4 | 2.常见的面试手写题 5 | -------------------------------------------------------------------------------- /css相关/烟花绽放/烟花雪碧图.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/css相关/烟花绽放/烟花雪碧图.png -------------------------------------------------------------------------------- /js实现常见库的功能/原生JS实现图片懒加载/images/1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/js实现常见库的功能/原生JS实现图片懒加载/images/1.png -------------------------------------------------------------------------------- /js实现常见库的功能/原生JS实现图片懒加载/images/2.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/js实现常见库的功能/原生JS实现图片懒加载/images/2.png -------------------------------------------------------------------------------- /js实现常见库的功能/原生JS实现图片懒加载/images/3.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/js实现常见库的功能/原生JS实现图片懒加载/images/3.png -------------------------------------------------------------------------------- /js实现常见库的功能/原生JS实现图片懒加载/images/4.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/js实现常见库的功能/原生JS实现图片懒加载/images/4.png -------------------------------------------------------------------------------- /js实现常见库的功能/原生JS实现图片懒加载/images/5.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/js实现常见库的功能/原生JS实现图片懒加载/images/5.png -------------------------------------------------------------------------------- /js实现常见库的功能/原生JS实现图片懒加载/images/6.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/js实现常见库的功能/原生JS实现图片懒加载/images/6.png -------------------------------------------------------------------------------- /js-实现原生api/JS模块化规范/commonjs/循环引用/a.js: -------------------------------------------------------------------------------- 1 | // a.js 2 | module.exports.a = 1 3 | var b = require('./b') 4 | console.log(b) 5 | module.exports.a = 2 -------------------------------------------------------------------------------- /js-实现原生api/JS模块化规范/commonjs/循环引用/b.js: -------------------------------------------------------------------------------- 1 | // b.js 2 | module.exports.b = 11 3 | var a = require('./a') 4 | console.log(a) 5 | module.exports.b = 22 -------------------------------------------------------------------------------- /canvas的常见demo/canvas识别纯色图片的图形数量和面积/images/1.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/canvas的常见demo/canvas识别纯色图片的图形数量和面积/images/1.jpg -------------------------------------------------------------------------------- /canvas的常见demo/canvas识别纯色图片的图形数量和面积/images/2.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/canvas的常见demo/canvas识别纯色图片的图形数量和面积/images/2.jpg -------------------------------------------------------------------------------- /canvas的常见demo/canvas识别纯色图片的图形数量和面积/images/3.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yllg/Algorithms-JS/HEAD/canvas的常见demo/canvas识别纯色图片的图形数量和面积/images/3.jpg -------------------------------------------------------------------------------- /js-实现原生api/JS模块化规范/esmodule/导出是绑定的，无论是否基本类型/main.js: -------------------------------------------------------------------------------- 1 | // http-server 浏览器运行 2 | 3 | // main.js 4 | import { a, count } from './foo.js'; 5 | console.log(a); //1 6 | count(); 7 | console.log(a); //2 8 | -------------------------------------------------------------------------------- /js小工具demo/判断设备类型/1.判断移动端.js: -------------------------------------------------------------------------------- 1 | 2 | const isMobile = () => { 3 | return !!navigator.userAgent.match( 4 | /(iPhone|iPod|Android|ios|iOS|iPad|Backerry|WebOS|Symbian|Windows Phone|Phone)/i 5 | ); 6 | }; -------------------------------------------------------------------------------- /webpack相关/写一个helloword的webpack插件/webpack.config.js: -------------------------------------------------------------------------------- 1 | const HelloWorldPlugin = require("./index"); 2 | 3 | module.exports = { 4 | // ...其他配置... 5 | plugins: [ 6 | new HelloWorldPlugin({ 7 | options: true, 8 | }), 9 | ], 10 | }; 11 | -------------------------------------------------------------------------------- /js小工具demo/判断设备类型/2.判断安卓或IOS.js: -------------------------------------------------------------------------------- 1 | 2 | const isAndroid = () => { 3 | return /android/i.test(navigator.userAgent.toLowerCase()); 4 | }; 5 | 6 | const isIOS = () => { 7 | let reg = /iPhone|iPad|iPod|iOS|Macintosh/i; 8 | return reg.test(navigator.userAgent.toLowerCase()); 9 | }; -------------------------------------------------------------------------------- /nodejs相关/nodejs中间件/实现一个中间件打印当前访问的URL/index.js: -------------------------------------------------------------------------------- 1 | const Koa = require('koa'); 2 | const log = require('./log.js'); 3 | const app = new Koa(); 4 | let config = { 5 | format: text => text, 6 | } 7 | app.use(log(config)); 8 | // 浏览器访问 http://localhost:3000/test 可以看到控制台输出的路径 /test 9 | app.listen(3000); -------------------------------------------------------------------------------- /js-实现原生api/JS模块化规范/commonjs/手写一个require，缓存问题/index.js: -------------------------------------------------------------------------------- 1 | var a = 1; 2 | setTimeout(() => { 3 | a = 2; 4 | }, 2); 5 | 6 | // 导出 变量的几种写法 7 | // module.exports.a = a; 8 | // exports.a = a; 9 | module.exports = { a }; 10 | // !注意，整体导出不能用exports，必须要用 module.exports, 因为源码这么写的 11 | // exports = { a }; 12 | -------------------------------------------------------------------------------- /nodejs相关/node-cluster/cluster.js: -------------------------------------------------------------------------------- 1 | const cluster = require('cluster'); 2 | 3 | const instances = 2; // 启动进程数量 4 | 5 | if (cluster.isMaster) { 6 | for (let i = 0; i < instances; i++) { 7 | // 使用 cluster.fork 创建子进程 8 | cluster.fork(); 9 | } 10 | } else { 11 | require('./app.js'); 12 | } 13 | -------------------------------------------------------------------------------- /nodejs相关/nodejs中间件/实现一个中间件打印当前访问的URL/log.js: -------------------------------------------------------------------------------- 1 | // log.js文件 2 | module.exports = (options) => { 3 | if (!options.format) { 4 | console.log('需要传递format参数'); 5 | } 6 | return async (ctx, next) => { 7 | console.log('当前访问路径', options.format(ctx.url)); 8 | await next(); 9 | }; 10 | }; 11 | -------------------------------------------------------------------------------- /webpack相关/写一个helloword的webpack插件/index.js: -------------------------------------------------------------------------------- 1 | class HelloWorldPlugin { 2 | apply(compiler) { 3 | // hook选择done 编译完成，tap同步 4 | compiler.hooks.done.tap("Hello World Plugin", (stats) => { 5 | console.log("Hello World"); 6 | }); 7 | } 8 | } 9 | module.exports = HelloWorldPlugin; -------------------------------------------------------------------------------- /babel相关/手写插件/数字预计算插件/test.js: -------------------------------------------------------------------------------- 1 | const babel = require("babel-core"); 2 | 3 | const result = babel.transform("const result = 1 + 2 + 3 +4 +5;", { 4 | plugins: [require("./index")], 5 | }); 6 | 7 | console.log(result.code); // const result = 15; 8 | 9 | // 注意：小数计算会有误差的问题，可用1KB都不到的number-precision库，或5.9KB的big.js库来修正； 10 | -------------------------------------------------------------------------------- /016.最接近的三数之和/016 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 12 | 13 | 14 | -------------------------------------------------------------------------------- /js-实现原生api/JS模块化规范/esmodule/导出是绑定的，无论是否基本类型/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 | 11 | l -------------------------------------------------------------------------------- /2235.两整数相加/2235solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /js-实现原生api/JS模块化规范/esmodule/导出是绑定的，无论是否基本类型/foo.js: -------------------------------------------------------------------------------- 1 | // es6 module 中基本类型也按引用传递 2 | export let a = 1; 3 | 4 | export function count() { 5 | a++; 6 | } 7 | 8 | // export default 是无法 a 的动态绑定 这一点跟 CommonJs 有点相似 都是值的拷贝 9 | // let a = 1; 10 | // export default a; 11 | // 可以用另一种方式实现 default 的动态绑定 12 | // let a = 1; 13 | // export { a as default } 14 | // export function count(){ 15 | // a++ 16 | // } 17 | // 注意要这样引入： 18 | // import a, { count } from './foo.js'; -------------------------------------------------------------------------------- /js小工具demo/检查规则类/检查数字是偶数还是奇数.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /正则表达式/常见正则面试题/提取日期字符串的数字.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /1707 与数组中元素的最大异或值/1707 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /js小工具demo/数字类操作/求所有参数的平均值.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /js小工具demo/随机/随机生成/随机获取布尔值.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /js小工具demo/字符串类操作/字符串第一个字母大写/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /nodejs相关/node-cluster/app.js: -------------------------------------------------------------------------------- 1 | const http = require('http'); 2 | 3 | /** 4 | * 5 | * 创建 http 服务，简单返回 6 | */ 7 | 8 | const server = http.createServer((req, res) => { 9 | res.write(`hello world, start with cluster ${process.pid}`); 10 | 11 | res.end(); 12 | }); 13 | 14 | /** 15 | * 16 | * 启动服务 17 | */ 18 | 19 | server.listen(3000, () => { 20 | console.log('server start http://127.0.0.1:3000'); 21 | }); 22 | 23 | console.log(`Worker ${process.pid} started`); 24 | -------------------------------------------------------------------------------- /js小工具demo/将文字复制到剪切板.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /URL相关/1.获取基础的url.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /1108.IP地址无效化/1108 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /js小工具demo/禁止类工具函数/禁止右键、选择、复制.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /js-实现原生api/ES5实现ES6的let和const/实现let.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /URL相关/2.检查url是否绝对的.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 16 | 17 | 18 | -------------------------------------------------------------------------------- /css相关/有用的伪类/in-out-range.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 17 | 18 | 19 | 20 | 21 |

在input中输入一个值 (小于 5 或者 大于 10), 查看样式的变化。

22 | 23 | 24 | -------------------------------------------------------------------------------- /237.删除链表中的节点/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /2413.最小偶倍数/2413 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /js小工具demo/合并/合并多个数组.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /1784.检查二进制字符串字段/1784 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /2236.判断根节点是否等于子节点之和/2236 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /js小工具demo/时间和日期相关/计算两个日期之间的天数.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /2683.相邻值的按位异或/2683 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /css相关/省略号动画/inline-table加动画实现.html: -------------------------------------------------------------------------------- 1 |
2 | 动态省略号 3 | 4 |
5 | 25 | -------------------------------------------------------------------------------- /js-实现原生api/setTimeout、setInterval/setInterval实现setTimeout.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /js小工具demo/字符串类操作/字符和ASCII互相转换.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /2469.温度转换/2469 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /2446.判断两个事件是否存在冲突/2446 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /3227.字符串元音游戏/3227 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /js-实现原生api/JS模块化规范/commonjs/手写一个require，缓存问题/main.js: -------------------------------------------------------------------------------- 1 | // 使用原生的 require 2 | // let a = require('./index').a; 3 | // console.log('直接require的结果', a); 4 | 5 | // setTimeout(() => { 6 | // // require内部会有缓存，所以两次的值是一样的 7 | // let b = require('./index').a; 8 | // console.log('延迟导入后的结果', b); 9 | // }, 100); 10 | 11 | // 使用自己手写的 require 12 | let myRequire = require('./手写一个require加载器.js').myRequire; 13 | let a = myRequire('./index').a; 14 | console.log('直接require的结果', a); 15 | 16 | setTimeout(() => { 17 | // 会从缓存取上一次的值 18 | let b = myRequire('./index').a; 19 | console.log('延迟导入后的结果', b); 20 | }, 100); -------------------------------------------------------------------------------- /2769.找出最大的可达成数字/2769 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "algorithms-js", 3 | "version": "1.0.0", 4 | "description": "LeetCode算法题的JS解法✏️📒", 5 | "main": "index.js", 6 | "scripts": { 7 | "test": "echo \"Error: no test specified\" && exit 1" 8 | }, 9 | "repository": { 10 | "type": "git", 11 | "url": "git+https://github.com/yllg/Algorithms-JS.git" 12 | }, 13 | "author": "", 14 | "license": "ISC", 15 | "bugs": { 16 | "url": "https://github.com/yllg/Algorithms-JS/issues" 17 | }, 18 | "homepage": "https://github.com/yllg/Algorithms-JS#readme", 19 | "devDependencies": { 20 | "koa": "^2.13.1" 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /正则表达式/常见正则面试题/正则match和小括号使用注意点.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /2027.转换字符串的最少操作次数/2027 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /292.Nim游戏/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /js小工具demo/字符串类操作/截断字符串加省略号/结尾处截断并加省略号.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /js-实现原生api/ajax/原生ajax请求.js: -------------------------------------------------------------------------------- 1 | // 1.创建ajax对象 2 | const xhr = new XMLHttpRequest(); 3 | // 2.open 4 | xhr.open("GET", url); 5 | // 3.设置请求头和响应类型 6 | xhr.setRequestHeader("Accept", "application/json"); 7 | xhr.responseType = "json"; 8 | // 4.接收返回值的回调 9 | xhr.onreadystatechange = () => { 10 | /** 11 | readyState: 12 | 0: 请求未初始化 13 | 1: 服务器连接已建立 14 | 2: 请求已接收 15 | 3: 请求处理中 16 | 4: 请求已完成，且响应已就绪 17 | 18 | status: HTTP 状态码 19 | **/ 20 | if (xhr.readyState === 4 || xhr.status === 200) { 21 | console.log("结果", xhr.responseText); 22 | } 23 | }; 24 | // 5.发送请求 25 | xhr.send(); 26 | 27 | // 现在主要使用fetch、第三方的请求库，比如axios 28 | -------------------------------------------------------------------------------- /css相关/两列布局/左侧定宽右侧自适应/2.浮动+calc.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 24 | 25 | 26 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /2582.递枕头/2582 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /css相关/省略号动画/伪类实现.html: -------------------------------------------------------------------------------- 1 |
2 | 动态省略号 3 | 4 |
5 | 36 | -------------------------------------------------------------------------------- /js小工具demo/字符串类操作/大小写反转.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /js小工具demo/数字类操作/阶乘函数.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /1374.生成每种字符都是奇数个的字符串/1374 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /3131.找出与数组相加的整数I/3131 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /js小工具demo/DOM相关/获取dom元素的所有祖先.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /js小工具demo/数字类操作/判断非数字_isNaN.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /react相关/手写一个redux中间件.js: -------------------------------------------------------------------------------- 1 | const myMiddleware = (store) => (next) => (action) => { 2 | // 在这里你可以拿到　store.getState 和　store.dispatch 3 | // 注意如果你调用 store.dispatch,中间件又从新从最外层开始　如果不加限制条件将陷入死循环 4 | // do something 5 | next(action); // 进入下一个中间件,最后一个中间件的 next 参数为 redux 原生 dispatch 6 | // 返回继续执行这个中间件剩余部分 7 | }; 8 | 9 | // 比如，写一个打印state的中间件，printStateMiddleware 10 | // 使用解构直接拿到getState 11 | const printStateMiddleware = 12 | ({ getState }) => 13 | (next) => 14 | (action) => { 15 | console.log("beforeState ->", getState()); 16 | let returnValue = next(action); 17 | console.log("afterState ->", getState()); 18 | return returnValue; 19 | }; 20 | -------------------------------------------------------------------------------- /2656.K个元素的最大和/2656 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /319.灯泡开关/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /2278.字母在字符串中的百分比/2278 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /3432.统计元素和的差值为偶数的分区方案数/3432 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /3110.字符串的分数/3110 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /js小工具demo/生成UUID.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /2651.计算列车到站时间/2651 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /css相关/三列布局/3.flex.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 29 | 30 | 31 |
左
32 |
中
33 |
右
34 | 35 | 36 | -------------------------------------------------------------------------------- /js小工具demo/interval和repeat相关工具函数/生成重复的字符串.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2481.分隔圆的最少切割次数/2481 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /470.用rand7()实现rand10()/470 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /LCP06.拿硬币/拿硬币.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /css相关/两列布局/左侧定宽右侧自适应/4.margin-left.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /1753.移除石子的最大得分/1753 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /2485.找出中枢整数/2485 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /575.分果糖/575 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /js-实现原生api/数组类/实现数组push方法.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /1732.找到最高海拔/1732 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /3370.仅含置位位的最小整数/3370 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /1812.判断国际象棋棋盘中一个格子的颜色/1812 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /2331.计算布尔二叉树的值/2331 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /521.最长特殊序列I/521 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /js小工具demo/检查规则类/检查日期是否为周末、工作日.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /303.区域和检索-数组不可变/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /814.二叉树剪枝/814 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /2595.奇偶位数/2595 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /js小工具demo/数字类操作/摄氏度和华氏度转换.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /正则表达式/常见正则面试题/1.叠词数量.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /2974.最小数字游戏/2974 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /js-实现原生api/JSON相关/1.实现JSON.parse.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /2673.使二叉树所有路径值相等的最小代价/2673 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /754.到达终点数字/754 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /js小工具demo/DOM相关/处理元素外的点击事件.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 |
my-element
10 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /2294.划分数组使最大差为K/2294 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /287.寻找重复数/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | -------------------------------------------------------------------------------- /css相关/两列布局/左侧由内容决定右侧补齐剩余空间/1.flex.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 28 | 29 | 30 |
31 | 左边内容左边内容左边内容左边内容 32 | 33 |
34 | 35 | 36 | -------------------------------------------------------------------------------- /css相关/三列布局/4.grid.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 28 | 29 | 30 |
左
31 |
中
32 |
右
33 | 34 | 35 | -------------------------------------------------------------------------------- /css相关/两列布局/左侧定宽右侧自适应/3.flex.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 29 | 30 | 31 |
32 | 33 | 34 |
35 | 36 | 37 | -------------------------------------------------------------------------------- /二进制转字符串/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /2530.执行K次操作后的最大分数/2530 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /2716.最小化字符串长度/2716 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /3065.超过阈值的最少操作次数I/3065 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /933.最近请求次数/933 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /3340.检查平衡字符串/3340 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /344.反转字符串/344 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /769.最多能完成排序的块/769 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /1290.二进制链表转整数/1290 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /1822.数组元素积的符号/1822 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /3019.按键变更的次数/3019 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /js小工具demo/颜色工具/输出十六进制随机颜色/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /1281.整数的各位积和之差/1281 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2544.交替数字和/2544 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2789.合并后数组中的最大元素/2789 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /3487.删除后的最大子数组元素和/3487 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /！补充题 12.trim函数/trim函数.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 27 | 28 | -------------------------------------------------------------------------------- /css相关/两列布局/左侧定宽右侧自适应/1.inline-block.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /2520.统计能整除数字的位数/2520 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /561.数组拆分 I /561 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /css相关/三列布局/2.table.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 34 | 35 | 36 |
左
37 |
中
38 |
右
39 | 40 | 41 | -------------------------------------------------------------------------------- /js小工具demo/3.once函数.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /js小工具demo/字符串类操作/截断字符串加省略号/中间处截断并加省略号.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /1013.数组分成和相等的三个部分/1013 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /1758.生成交替二进制字符串的最少操作数/1758 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /2185.统计包含给定前缀的字符串/2185 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /263.丑数/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /371.不是用+-计算两整数之和/371 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /1038.从二叉搜索树到更大和树/1038 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /1317.将整数转换为两个无零整数的和/1317 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /2740.找出分区值/2740 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /2864.最大二进制奇数/2864 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /3330.找到初始输入字符串I/3330 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /js-实现原生api/JS模块化规范/commonjs/循环引用/main.js: -------------------------------------------------------------------------------- 1 | //main.js 2 | var a = require('./a'); 3 | console.log(a); 4 | 5 | // 解析： 6 | // 1.执行 node main.js -> 第一行 require(a.js)，（node 执行也可以理解为调用了require方法，我们省略require(main.js)内容） 7 | // 2.进入 require(a)方法： 判断缓存（无） -> 初始化一个 module -> 将 module 加入缓存 -> 执行模块 a.js 内容，（需要注意 是先加入缓存， 后执行模块内容） 8 | // 3.a.js： 第一行导出 a = 1 -> 第二行 require(b.js)（a 只执行了第一行） 9 | // 4.进入 require(b) 内 同 1 -> 执行模块 b.js 内容 10 | // 5.b.js： 第一行 b = 11 -> 第二行 require(a.js) 11 | // 6.require(a) 此时 a.js 是第二次调用 require -> 判断缓存（有）-> cachedModule.exports -> 回到 b.js（因为js对象引用问题 此时的 cachedModule.exports = { a: 1 }） 12 | // 7.b.js：第三行 输出 { a: 1 } -> 第四行 修改 b = 22 -> 执行完毕回到 a.js 13 | // 8.a.js：第二行 require 完毕 获取到 b -> 第三行 输出 { b: 22 } -> 第四行 导出 a = 2 -> 执行完毕回到 main.js 14 | // 9.main.js：获取 a -> 第二行 输出 { a: 2 } -> 执行完毕 15 | -------------------------------------------------------------------------------- /js小工具demo/cookies操作/cookies操作.js: -------------------------------------------------------------------------------- 1 | // 1.设置 2 | const setCookie = (key, value, expire) => { 3 | const d = new Date(); 4 | d.setDate(d.getDate() + expire); 5 | document.cookie = `${key}=${value};expires=${d.toUTCString()}`; 6 | }; 7 | 8 | // 2.获取 9 | const getCookie = (key) => { 10 | const cookieStr = unescape(document.cookie); 11 | const arr = cookieStr.split("; "); 12 | let cookieValue = ""; 13 | for (let i = 0; i < arr.length; i++) { 14 | const temp = arr[i].split("="); 15 | if (temp[0] === key) { 16 | cookieValue = temp[1]; 17 | break; 18 | } 19 | } 20 | return cookieValue; 21 | }; 22 | 23 | // 3.删除 24 | const delCookie = (key) => { 25 | document.cookie = `${encodeURIComponent(key)}=;expires=${new Date()}`; 26 | }; -------------------------------------------------------------------------------- /1480.一维数组的动态和/1480 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /2255.统计是给定字符串前缀的字符串数目/2255 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2535.数组元素和与数字和的绝度差/2535 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /2938.区分黑球与白球/2938 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /css相关/css实现输入错误时抖动效果/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 33 | 34 | 35 | 输入非字母，会抖动 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /正则表达式/常见正则面试题/多个空格转成一个空格，各种正则性能对比.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /比较两个字符串，标记出增删改的位置/比较两个字符串，标记出增删改的位置改的位置.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 12 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /2455.可被三整除的偶数的平均值/2455 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /2951.找出峰值/2951 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /js小工具demo/DOM相关/判断一个元素是否包含另一个元素.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /1911.最大子序列交替和/1911 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /2341.数组能形成多少数对/2341 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /3046.分割数组/3046 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /342.4的幂/342 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /3423.循环数组中相邻元素的最大差值/3423 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /css相关/毛玻璃效果/backdrop-fit属性.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 20 | 21 | 22 |
23 |
24 | //由于类名为 top 的 div 盒子绝对定位，脱离文档流，同时层级提升，因此 div 盒子的层级高于 p 段落的层级， 25 | //div 盒子会将 p 元素覆盖，位于 p 元素的上方，p 标签中的文字位于 div 盒子后方，在 div 盒子添加 backdrop：blur(3px)后，文字也就变模糊了 26 |

best wish for you

27 |
28 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /js小工具demo/时间和日期相关/给定起止日期返回中间所有月份.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /！补充题48.打开任意网页用JS打印所有s和h开头的标签并计数/打开任意网页用JS打印所有s和h开头的标签并计数.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /1619.删除某些元素后的数组均值/1619 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /3185.构成整天的下标对数目II/3185 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /js-实现原生api/数字类/实现数字相乘.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /1003.检查替换后的词是否有效/1003 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /2395.和相等的子数组/2395 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /3038.相同分数的最大操作数目I/3038 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /3101.交替子数组计数/3101 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /3255.长度为K的子数组的能量值II/3255 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /3392.统计符合条件长度为 3 的子数组数目/3392 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /剑指offerII 041.滑动窗口的平均值/滑动窗口的平均值.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /1827.最少操作使数组递增/1827 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2315.统计星号/2315 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /2390.从字符串中移除星号/2390 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /2575.找出字符串的可整除数组/2575 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /3174.清除数字/3174 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /！补充题 3.计算字符串字节数/计算字节长度.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /1785.构成特定和需要添加的最少元素/1785 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 12 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2678.老人的数目/2678 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /3516.找到最近的人/3516 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /453.最小操作次数使数组元素相等/453 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 29 | 30 | 31 | l -------------------------------------------------------------------------------- /976.三角形最大周长/976 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /css相关/两列布局/左侧由内容决定右侧补齐剩余空间/2.grid.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 27 | 28 | 29 |
30 | 左边内容 31 | 32 |
33 | 34 | 35 | -------------------------------------------------------------------------------- /050.实现幂函数/050 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /1217.玩筹码/1217 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /2145.统计隐藏数组数目/2145 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2335.装满杯子需要的最短时长/2335 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /2798.满足目标工作时长的员工数目/2798 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /3304.找出第K个字符I/3304 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /459.是否由子串重复多次构成/459 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /492.构造矩形/492 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /css相关/两列布局/左侧由内容决定右侧补齐剩余空间/3.浮动+bfc.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 31 | 32 | 33 |
34 | 左边内容 35 | 36 |
37 | 38 | 39 | -------------------------------------------------------------------------------- /2364.统计坏数对的数目/2364 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2942.查找包含给定字符串的单词/2942 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /3375.使数组的值全部为 K 的最少操作次数/3375 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /js-实现原生api/数组类/实现数组find.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /169.求众数,出现次数超过2分之n的第一个元素/169 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 31 | 32 | -------------------------------------------------------------------------------- /908.最小差值I/908 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 12 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /1800.最大升序子数组和/1800 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /1877.数组中最大数对和的最小值/1877 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2578.最小和分割/2578 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /2917.找出数组中的k-or值/2917 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /3194.最小元素和最大元素的最小平均值/3194 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /！补充题23.删除重复节点/删除重复节点.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /2828.判别首字母缩略词/2828 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /989.数组形式的整数加法/989 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /1018.可被5整除的二进制前缀/1018 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /2923.找到冠军I/2923 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /js-实现原生api/数字类/实现数字相加.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /js小工具demo/函数只能执行一次/函数只能执行一次.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /1441.用栈操作来构建数组/1441 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /1963.使字符串平衡的最小交换次数/1963 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /2465.不同的平均值数目/2465 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /3184.构成整天的下标对数目I/3184 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /326.3的幂/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /434.字符串中的单词数/434 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /124.二叉树中最大路径和/124 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /1375.二进制字符串中前缀一致的次数/1375 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /1720.解码异或后的数组/1720 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /2037.使每位学生都有座位的最少移动次数/2037 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /2129.将标题首字母大写/2129 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /3158.求出出现两次数字的XOR值/3158 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /901.股票价格跨度/901 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /js小工具demo/禁止类工具函数/禁止某些键盘事件.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /1186.删除一次得到子数组最大和/1186 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /1470.重新排列数组/1470 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 35 | 36 | 37 | -------------------------------------------------------------------------------- /746.使用最小花费爬楼梯/746 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /js-实现原生api/数组类/实现数组findIndex.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /js小工具demo/随机/随机生成/数字/在min、max范围内生成随机数.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /069.求平方根/069 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /1448.统计二叉树中好节点的数量/1448 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /1798.你能构造出连续值的最大数量/1798 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /1845.座位预约管理系统/1845 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /2588.统计美丽子数组数目/2588 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /714.买卖股票的最佳时机+有手续费/714 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /js-实现原生api/1.实现instanceof.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /js小工具demo/字符串类操作/判断不能有相同长度超过2的子串重复.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /1598.文件夹操作日志搜集器/1598 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 35 | 36 | 37 | -------------------------------------------------------------------------------- /2125.银行中的激光束数量/2125 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /2221.数组的三角和/2221 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /2562.找出数组的串联值/2562 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /674.最长连续递增序列/674 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /js小工具demo/衡量函数的性能/衡量函数的性能.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /nodejs相关/node-cluster/pm2.config.js: -------------------------------------------------------------------------------- 1 | module.exports = { 2 | apps: [ 3 | { 4 | name: 'nodejs-column', // 启动进程名 5 | script: './app.js', // 启动文件 6 | instances: 2, // 启动进程数 7 | exec_mode: 'cluster', // 多进程多实例 8 | env_development: { 9 | NODE_ENV: 'development', 10 | watch: true, // 开发环境使用 true，其他必须设置为 false 11 | }, 12 | env_testing: { 13 | NODE_ENV: 'testing', 14 | watch: false, // 开发环境使用 true，其他必须设置为 false 15 | }, 16 | env_production: { 17 | NODE_ENV: 'production', 18 | watch: false, // 开发环境使用 true，其他必须设置为 false 19 | }, 20 | log_date_format: 'YYYY-MM-DD HH:mm Z', 21 | error_file: '~/data/err.log', // 错误日志文件，必须设置在项目外的目录，这里为了测试 22 | out_file: '~/data/info.log', // 流水日志，包括 console.log 日志，必须设置在项目外的目录，这里为了测试 23 | max_restarts: 10, 24 | }, 25 | ], 26 | }; 27 | -------------------------------------------------------------------------------- /常见手写题/变量提升和作用域.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /js小工具demo/网络请求相关/fetch网络请求自动重试retry.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Document 9 | 10 | 11 | 12 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /1044.最长重复子串/1044 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /1250.检查好数组/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /1637.两点之间不包含任何点的最宽垂直区域/1637 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 35 | 36 | 37 | -------------------------------------------------------------------------------- /2171.拿出最少数目的魔法豆/2171 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /3274.检查棋盘方格颜色是否相同/3274 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /724.寻找数组的中心索引/724 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /js小工具demo/如何找到当前页面出现次数最多的html标签.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /1780.判断一个数是否可以表示成三的幂的和/1780 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /2834.找出美丽数组的最小和/2834 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /3146.两个字符串的排列差/3146 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /891.子序列宽度之和/891 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /899.有序队列/899 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /css相关/三列布局/1.float.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /1026.节点与其组先之间的最大差值/1026 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /3096.得到更多分数的最少关卡数目/3096 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /942.增减字符串匹配/942 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /1446.连续字符/1446 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /1561.你可以获得的最大硬币数目/1561 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /258.各位相加/solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 38 | 39 | 40 | -------------------------------------------------------------------------------- /3206.交替组I/3206 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /js小工具demo/添加默认值或报错提示/添加默认值或报错提示.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /1672.最富有客户的资产总量/1672 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /1984.学生分数的最小差值/1984 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 11 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /2011.执行操作后的变量值/2011 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Document 8 | 9 | 10 | 30 | 31 | 32 | l 33 | -------------------------------------------------------------------------------- /2414.最长的字母序连续子字符串的长度/2414 solution.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 31 | 32 | 33 | --------------------------------------------------------------------------------