jQuery: Add a tag at the beginning of the list item

Last update on August 19 2022 21:51:35 (UTC/GMT +8 hours)

jQuery core : Exercise-8 with Solution

Write a jQuery Code to add a tag at the beginning of the list item, containing the index of the list item.

Sample Data :

<body>
<ui>
<li>Html Tutorial</li>
<li>Mongodb Tutorial</li>
<li>Python Tutorial</li>
</body>

Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
  <meta charset="utf-8">
  <title>Add a tag at the beginning of the list item</title>
</head>
<body>
<ui>
<li>Html Tutorial</li>
<li>Mongodb Tutorial</li>
<li>Python Tutorial</li>
</body>
</html>

JavaScript Code :

$( 'li' ).each(function( index, elem ) {
    $( elem ).prepend( '' + index + ': ' );
});

Sample Output:

0: Html Tutorial
1: Mongodb Tutorial
2: Python Tutorial

Live Demo:

See the Pen jquery-core-exercise-8 by w3resource (@w3resource) on CodePen.

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