<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head>
<body>
<h1>jQuery index() Method</h1>
<ul>
<li>Apple</li>
<li>Banana</li>
<li class="myFruit">Cheery</li>
<li>Dragon fruit</li>
</ul>
<p>Click on the button to find the index of '.myFruit' class</p>
<button>Click Me</button>
<script>
$(document).ready(function(){
$("button").click(function(){
alert($(".myFruit").index());
});
});
</script> </body>
</html>