JavaScript-Course/Conceptual.html at main · Dhanushpolagani/JavaScript-Course · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>List Item Manipulation</title>
  <style>
    .highlight {
      background-color: yellow;
    }
  </style>
</head>
<body>

  <ul id="myList">
    <li>Item 1</li>
    <li>Item 2</li>
    <li>Item 3</li>
    <li>Item 4</li>
    <li>Item 5</li>
  </ul>

  <script>
    let listItems = document.querySelectorAll('#myList li');

    listItems.forEach((item, index) => {
      console.log('Item ' + (index + 1) + ': ' + item.textContent);
    });

    listItems.forEach((item, index) => {
      if ((index + 1) % 2 === 0) {
        item.classList.add('highlight');
      }
    });

    console.log('Total number of list items: ' + listItems.length);
  </script>

</body>
</html>