jQuery - attr( key, func ) 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 −
key − The name of the property to set.
func − A function returning the value to set. This function would have one argument which is index of current element.
Example
Following example would create border for each table −
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() { $("table").attr("border", function(index) { return "4px"; }) }); </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 will produce following result −
jquery-attributes.htm
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