jQuery index() Method
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jQuery index() Method
The jQuery index() method searches for a given element from among the matched elements.
Example
HTML Editor
<!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>
Syntax
$(selector).index(elem);
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| elem | Optional | Specifies the DOM element or first element within the jQuery object to look for. |
Return Values
| Value | Explanation |
|---|---|
| integer | Returns the position of the first element within the jQuery object.
Note: If the element is not found, index() will return -1.
|
Reminder
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