jQuery - 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 will apply yellow color to its background −

<html>
   <head>
      <title>The Selecter Example</title>
      <script type="text/javascript" src="http://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*/
            $("#div2").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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