├── README.md
└── interview-exercises.md


/README.md:
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1 | # js-exercises
2 | Some javascript exercises for learning by doing
3 | 


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/interview-exercises.md:
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 1 | ### Scope
 2 | 
 3 | ```javascript
 4 | (function() {
 5 |    var a = b = 5;
 6 | })();
 7 | 
 8 | console.log(b);
 9 | ```
10 | 
11 | What will be printed on the console?
12 | 
13 | ### Hoisting
14 | 
15 | What’s the result of executing this code and why.
16 | 
17 | ```javascript
18 | function test() {
19 |    console.log(a);
20 |    console.log(foo());
21 |    
22 |    var a = 1;
23 |    function foo() {
24 |       return 2;
25 |    }
26 | }
27 | 
28 | test();
29 | ```
30 | ### this
31 | What is the result of the following code? Explain your answer.
32 | 
33 | ```javascript
34 | var fullname = 'John Doe';
35 | var obj = {
36 |    fullname: 'Colin Ihrig',
37 |    prop: {
38 |       fullname: 'Aurelio De Rosa',
39 |       getFullname: function() {
40 |          return this.fullname;
41 |       }
42 |    }
43 | };
44 | ```
45 | 
46 | How old is Juan ?
47 | 
48 | ```javascript
49 | 
50 | function Person(age) {
51 |   this.age = age
52 |   this.grow = function () { 
53 |     this.age++;
54 |   }
55 |   this.rejuvenate = function () {
56 |     this.age--;
57 |   }
58 | }
59 | 
60 | var juan = new Person(18)
61 | $button.on('click', juan.grow);
62 | $button.click();
63 | 
64 | juan.rejuvenate();
65 | 
66 | console.log(juan.age) // ?
67 | ```
68 | 


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