jQuery Filter Methods With Examples

jQuery Filter Methods With Examples

In jQuery – How to use jQuery filter methods on selected html elements. In this jQuery tutorial you will learn how to use jquery filter methods on selected html element’s.

jQuery Filter on Selected Html Elements

jQuery offers several filter methods such as first(), filter(), last(), eq(), slice(), has(), not(), etc. You can use to reduce the search or filter of elements in a DOM tree. Here we will demostrate all jQuery filter methods with examples:

  1. jQuery first() Method
  2. jQuery last() Method
  3. jQuery eq() Method
  4. jQuery filter() Method
  5. jQuery not() Method
  6. jQuery slice() Method

jQuery first() Method

Using the jQuery first() method can filter/get the first element of the selected HTML elements.

Syntax first() Method

$("selector").first();

jQuery first() method By Example

This example will demostrate you how to get/filter the first selected html elements using first () method.

<!DOCTYPE html>
<html>
<head>
<title>jQuery First Method Example</title> 
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script> 
<style type="text/css">
.first{
    padding: 15px;
    border: 12px solid #23384E;
    background: #28BAA2;
    margin-top: 10px;
}
</style>
<script>
$(document).ready(function(){
  $(".first").first().css("background-color", "green");
});
</script>
</head>
<body>

<h1>This is first() method example</h1>

<div class="first">
  <p>A paragraph in a div.</p>
  <p>Another paragraph in a div.</p>
</div>
<br>

<div class="first">
  <p>A paragraph in another div.</p>
  <p>Another paragraph in another div.</p>
</div>
<br>

<div class="first">
  <p>A paragraph in another div.</p>
  <p>Another paragraph in another div.</p>
</div>

</body>
</html>

Output

jQuery First Method Example

This is first() method example

A paragraph in a div.

Another paragraph in a div.


A paragraph in another div.

Another paragraph in another div.


A paragraph in another div.

Another paragraph in another div.

jQuery last() Method

Using the jQuery last() method can filter/get the last element of the selected HTML elements.

Syntax last() Method

$("selector").last();

jQuery last() method By Example

This example will demostrate you how to get/filter the last selected html elements using last () method.

<!DOCTYPE html>
<html>
<head>
<title>jQuery Last Method Example</title> 
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script> 
<style type="text/css">
.last{
    padding: 15px;
    border: 12px solid #23384E;
    background: #28BAA2;
    margin-top: 10px;
}
</style>
<script>
$(document).ready(function(){
  $(".last").last().css("background-color", "green");
});
</script>
</head>
<body>

<h1>This is last() method example</h1>

<div class="last">
  <p>A paragraph in a div.</p>
  <p>Another paragraph in a div.</p>
</div>
<br>

<div class="last">
  <p>A paragraph in another div.</p>
  <p>Another paragraph in another div.</p>
</div>
<br>

<div class="last">
  <p>A paragraph in another div.</p>
  <p>Another paragraph in another div.</p>
</div>

</body>
</html>

Output

jQuery Last Method Example

This is last() method example

A paragraph in a div.

Another paragraph in a div.


A paragraph in another div.

Another paragraph in another div.


A paragraph in another div.

Another paragraph in another div.

jQuery eq() Method

Using the jQuery eq () method search/filter the selected elements directly and returns an element with specific index.

Syntax eq() Method

$("selector").eq();

jQuery eq() method By Example

This example will demostrate you how to get/filter selected html elements using eq () method.

<!DOCTYPE html>
<html>
<head>
<title>jQuery eq() Method Example</title> 
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script> 
<style type="text/css">
.container{
    padding: 15px;
    border: 12px solid #23384E;
    background: #28BAA2;
    margin-top: 10px;
}
</style>
<script>
$(document).ready(function(){
  $(".container").eq(1).css("background-color", "green");
});
</script>
</head>
<body>

<h3>This is eq() method example</h3>

<div class="container">
  <p>A paragraph in a div.</p>
  <p>Another paragraph in a div.</p>
</div>
<br>

<div class="container">
  <p>A paragraph in another div.</p>
  <p>Another paragraph in another div.</p>
</div>
<br>

<div class="container">
  <p>A paragraph in another div.</p>
  <p>Another paragraph in another div.</p>
</div>

</body>
</html>

Output

jQuery eq() Method Example

This is eq() method example

A paragraph in a div.

Another paragraph in a div.


A paragraph in another div.

Another paragraph in another div.


A paragraph in another div.

Another paragraph in another div.

jQuery filter() Method

Using the jQuery filter () method can returns the elements that match a certain criteria. This method lets you specify a benchmark. Elements that do not match the criteria are removed from the selection, and those who match will be returned.

Syntax filter() Method

$("selector").filter();

jQuery filter() method By Example

This example will display the jQuery filter method. In this example, the jquery filter method filters only those elements that match the criteria and make the background color white.

<!DOCTYPE html>
<html>
<head>
<title>jQuery Filter() Method Example</title> 
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script> 
<style type="text/css">
.container{
    padding: 15px;
    border: 12px solid #23384E;
    background: #28BAA2;
    margin-top: 10px;
}
</style>
<script>
$(document).ready(function(){
  $("p").filter(".inClass").css("background-color", "white");
});
</script>
</head>
<body>

<h3>This is Filter() method example</h3>

<div class="container">
  <p>A paragraph in a div.</p>
  <p class="inClass">Another paragraph in a div.</p>
</div>
<br>

<div class="container">
  <p>A paragraph in another div.</p>
  <p>Another paragraph in another div.</p>
</div>
<br>

<div class="container">
  <p class="inClass">A paragraph in another div.</p>
  <p>Another paragraph in another div.</p>
</div>

</body>
</html>

Output

jQuery Filter() Method Example

This is Filter() method example

A paragraph in a div.

Another paragraph in a div.


A paragraph in another div.

Another paragraph in another div.


A paragraph in another div.

Another paragraph in another div.

jQuery not() Method

Using the not () method is returned to those elements which do not meet a specific criteria. This method lets you specify a benchmark. Elements that do not match the criteria are returned from selection, and those that will be removed from the match.

This is not the opposite () method filter () method.

Syntax not() Method

$("selector").not();

jQuery not() method By Example

This example will display the jQuery not method. In this example, the jquery not method filters only those elements that do not match the criteria and make the background color white.

<!DOCTYPE html>
<html>
<head>
<title>jQuery Not() Method Example</title> 
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script> 
<style type="text/css">
.container{
    padding: 15px;
    border: 12px solid #23384E;
    background: #28BAA2;
    margin-top: 10px;
}
</style>
<script>
$(document).ready(function(){
  $("b").not(".inClass").css("background-color", "Red");
});
</script>
</head>
<body>

<h3>This is Not() method example</h3>

<div class="container">
  <b>A paragraph in a div.</b>
  <b class="inClass">Another paragraph in a div.</b>
</div>

</body>
</html>

Output

jQuery Not() Method Example

This is Not() method example

A paragraph in a div. Another paragraph in a div.

jQuery slice() Method

Slice () method reduces the matching set of elements to the subset specified by a range of indices. This method accepts two integer values, index and end index starts. This method will return the elements between the start and the end index. The subset of elements consists of an element in the start index, but does not include the element in the end index.

Syntax slice() Method

 $(selector).slice(start,stop);

jQuery slice() method By Example

This example will demostrate of jQuery slice method.

<!DOCTYPE html>
<html>
<head>
<title>jQuery slice() Method Example</title> 
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script> 
<style type="text/css">
.container{
    padding: 15px;
    border: 12px solid #23384E;
    background: #28BAA2;
    margin-top: 10px;
}
</style>
<script>
$(document).ready(function(){
  $(".slclass").slice(2).css("background-color", "Yellow");
});
</script>
</head>
<body>

<h3>This is slice() method example</h3>

<div class="container">
  <p class="slclass">A paragraph in a div.</p>
  <p class="slclass">Another paragraph in a div.</p>

  <p class="slclass">A paragraph in another div.</p>
  <p class="slclass">Another paragraph in another div.</p>

  <p class="slclass">A paragraph in another div.</p>
  <p class="slclass">Another paragraph in another div.</p>

</div>
</body>
</html>

Output

jQuery slice() Method Example

This is slice() method example

A paragraph in a div.

Another paragraph in a div.

A paragraph in another div.

Another paragraph in another div.

A paragraph in another div.

Another paragraph in another div.

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