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jQuery - CSS Element ID Selector


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Description:

The element ID selector selects a single element with the given id attribute.

Syntax:

Here is the simple syntax to use this selector:

 $('#elementid')

Parameters:

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

  • elementid: This would be an element ID. If the id contains any special characters like periods or colons you have to escape those characters with backslashes.

Returns:

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

Example:

  • $('#myid') selects a single element with the given id myid.

  • $('div#yourid') selects a single division with the given id yourid.

Following example would select second division 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 = $("#divid2");
      alert("Found Division: " + divs[0].innerHTML);
   });

</script>
</head>
<body>

<div class="div1" 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="div2" id="divid2">
  <p>This is second division of the DOM.</p>
</div>
<br />

<div class="div3" 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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