jQuery filter() Method
jQuery filter() Method
The jQuery filter() method returns elements that match the selector or pass the function's test.
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 filter() Method</h1>
<p>This is paragraph1</p>
<div style="border: 1px solid black;">
<p class="point">This is paragraph2</p>
<p>This is paragraph3</p>
</div>
<p>This is paragraph4</p>
<script>
$(document).ready(function(){
$("div p").filter(".point").css("color", "red");
});
</script>
</body>
</html>
Syntax
$(selector).filter(selector);
// or
$(selector).filter(callback);
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| selector | Required | Specifies a selector for filter. |
| callback | Required | Specifies a function to be called every time an element / selector matches. |
filter() with selector
In the following example, we will filter out all the even <li> elements by using :even selector.
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 class="point">jQuery filter() Method</h1>
<ul>
<li>Apple</li>
<li>Banana</li>
<li>Mango</li>
</ul>
<script>
$(document).ready(function(){
$("ul li").filter(":even").css("color", "red");
});
</script>
</body>
</html>
filter() with function
In the following example, we will filter the elements which pass the function's test.
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 class="point">jQuery filter() Method</h1>
<ul>
<li>Apple</li>
<li>Banana</li>
<li>Cheery</li>
<li>Dragon fruit</li>
<li>Elderberry</li>
<li>fig</li>
<li>Grapes</li>
<li>Honeydew</li>
</ul>
<script>
$(document).ready(function(){
$("ul li").filter(function(index){
if(index % 3 == 0){
$(this).css("color","red");
}
});
});
</script>
</body>
</html>
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