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jQuery - CSS 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 display its content:

<html>
<head>
<title>The Selecter Example</title>
<script type="text/javascript" src="/jquery/jquery-1.3.2.min.js">
</script>
   
<script type="text/javascript" language="javascript">

  $(document).ready(function() {
      var divs = $(".big");
      for( i=0; i<divs.length; i++ ){
         alert("Found Division: " + divs[i].innerHTML);
      }
   });

</script>
</head>
<body>

<div class="big" id="divid1">
  <p class="para1" id="pid1">This is first paragraph.</p>
  <p class="para2" id="pid2">This is second paragraph.</p>
  <p class="para3" id="pid3">This is third paragraph.</p>
</div>
<br />

<div class="big" id="divid2">
  <p>This is second division of the DOM.</p>
  <p>This is second para inside second division.</p>
</div>
<br />

<div class="medium" id="divid3">
  <p>This is a para inside third division</p>
</div>

</body>
</html>

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



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