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jQuery - filter( selector ) Method


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Description:

The filter( selector ) method filters all elements from the set of matched elements that do not match the specified selector(s).

Syntax:

Here is the simple syntax to use this method:

selector.filter( selector )

Parameters:

Here is the description of all the parameters used by this method:

  • selector: It could be a comma-separated list of expressions to apply multiple filters at once (e.g. filter(".class1, .class2")).

Example:

Following is an example showing a simple usage of this method:

<html>
<head>
<title>the title</title>
   <script type="text/javascript" 
   src="/jquery/jquery-1.3.2.min.js"></script>
   <script type="text/javascript" language="javascript">
   
   $(document).ready(function() {
      $("li").filter(".middle").addClass("selected");
   });

   </script>
   <style>
      .selected { color:red; }
  </style>
</head>
<body>
   <div>
   <ul>
     <li class="top">list item 1</li>
     <li class="top">list item 2</li>
     <li class="middle">list item 3</li>
     <li class="middle">list item 4</li>
     <li class="bottom">list item 5</li>
     <li class="bottom">list item 6</li>
   </ul>
   </div>
</body>
</html>

This would generate following result:

<html>
<head>
<title>the title</title>
   <script type="text/javascript" 
   src="/jquery/jquery-1.3.2.min.js"></script>
   <script type="text/javascript" language="javascript">
   
   $(document).ready(function() {
      $("li").filter(".middle").addClass("selected");
   });

   </script>
   <style>
      .selected { color:red; }
  </style>
</head>
<body>
   <div>
   <ul>
     <li class="top">list item 1</li>
     <li class="top">list item 2</li>
     <li class="selected">list item 3</li>
     <li class="selected">list item 4</li>
     <li class="bottom">list item 5</li>
     <li class="bottom">list item 6</li>
   </ul>
   </div>
</body>
</html>

To understand it in better way you can Try it yourself.



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