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jQuery - attr( key, fn ) Method

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Description:

The attr( key, func ) method sets a single property to a computed value, on all matched elements.

Syntax:

Here is the simple syntax to use this method:

selector.attr( key, func )

Parameters:

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

Example:

Following example would create border for each table:

<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() {

     $("table").attr("border", function(arr) {
          return arr;
        })

   });

</script>
</head>
<body>

<table>
<tr><td>This is first table</td></tr>
</table>

<table>
<tr><td>This is second table</td></tr>
</table>

<table>
<tr><td>This is third table</td></tr>
</table>

</body>
</html>

This would generate following result:

<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() {

     $("table").attr("border", function(arr) {
          return arr;
        })

   });

</script>
</head>
<body>

<table border="0">
<tr><td>This is first table</td></tr>
</table>

<table border="1">
<tr><td>This is second table</td></tr>
</table>

<table border="2">
<tr><td>This is third table</td></tr>
</table>

</body>
</html>

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


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