└── Java_1 /Java_1: -------------------------------------------------------------------------------- 1 | 2 | checkAllButton.addEventListener('click', function() { 3 | checkboxes.forEach(function(checkbox) { 4 | checkbox.checked = true; 5 | checkbox.closest('tr').className = 'checked'; 6 | }); 7 | updateSummary(); 8 | }); 9 | my_string = "Programiz" 10 | my_char = "r" 11 | 12 | print(my_string.count(my_char)) 13 | --------------------------------------------------------------------------------