jQuery - add( selector ) method


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Description:

The add( selector ) method adds more elements, matched by the given selector, to the set of matched elements.

Syntax:

Here is the simple syntax to use this method:

selector.add( selector )

Parameters:

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

  • selector: It could be a comma-separated list of selectors to select elements to be added. (e.g. add(".class1, .class2")).

Example:

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

<html>
<head>
<title>The jQuery Example</title>
   <script type="text/javascript" 
   src="jquery-2.1.3.min.js"></script>
   <script type="text/javascript" language="javascript">
   
   $(document).ready(function() {
      $(".top").add(".middle").addClass("selected");
   });

   </script>
   <style>
      .selected { color:red; }
  </style>
</head>
<body>
   <div>
   <ul>
     <li class="above">list item 0</li>
     <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>
     <li class="below">list item 7</li>
   </ul>
   </div>
</body>
</html>

This would generate following result:

<html>
<head>
<title>The jQuery Example</title>
   <script type="text/javascript" 
   src="jquery-2.1.3.min.js"></script>
   <script type="text/javascript" language="javascript">
   
   $(document).ready(function() {
      $(".top").add(".middle").addClass("selected");
   });

   </script>
   <style>
      .selected { color:red; }
  </style>
</head>
<body>
   <div>
   <ul>
     <li class="above">list item 0</li>
     <li class="selected">list item 1</li>
     <li class="selected">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>
     <li class="below">list item 7</li>
   </ul>
   </div>
</body>
</html>