Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Selecting the First Element in jQuery</title> <style> .highlight{ background: yellow; } </style> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script> $(document).ready(function(){ $("ul li").first().addClass("highlight"); }); </script> </head> <body> <h2>Unordered List</h2> <ul> <li>First list item</li> <li>Second list item</li> <li>Third list item</li> <li>Fourth list item</li> </ul> <hr> <h2>Another Unordered List</h2> <ul> <li>First list item</li> <li>Second list item</li> <li>Third list item</li> <li>Fourth list item</li> </ul> </body> </html>
