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jQuery - Element Class Selector

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Description

The element class selector selects all the elements which match with the given class of the elements.

Syntax

Here is the simple syntax to use this selector −

$('.classid')

Parameters

Here is the description of all the parameters used by this selector −

  • classid − This is class ID available in the document.

Returns

Like any other jQuery selector, this selector also returns an array filled with the found elements.

Example

  • $('.big') − Selects all the elements with the given class ID big.

  • $('p.small') − Selects all the paragraphs with the given class ID small.

  • $('.big.small') − Selects all the elements with a class of big and small.

Following example would select all divisions with class .big and will apply yellow color to its background −

Live Demo 
<html>
   <head>
      <title>The Selecter Example</title>
      <script type = "text/javascript" 
         src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js">
      </script>
   
      <script type = "text/javascript" language = "javascript">
         $(document).ready(function() {
            /* This would select second division only*/
            $(".big").css("background-color", "yellow");
         });
      </script>
   </head>
	
   <body>
      <div class = "big" id="div1">
         <p>This is first division of the DOM.</p>
      </div>

      <div class = "medium" id = "div2">
         <p>This is second division of the DOM.</p>
      </div>

      <div class = "small" id = "div3">
         <p>This is third division of the DOM</p>
      </div>
   </body>
</html>

This will produce following result −

jquery-selectors.htm
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