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08.05.2008 at 01:33AM PDT, ID: 23621501
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9.1

Using regex to dynamically change onClick function

Asked by comcar in JavaScript, Dynamic HTML (DHTML), Regular Expressions

Tags: , ,

I'm using jQuery to update some existing components to use in a a new context. I've got a page which generates some links dynamically and uses default onClick functions, but I need to change them after the page has been loaded, I can't change the source as it's used elsewhere.

But I want to keep the parameters from the original onClick function, so...

oldProc(url);

changes to

newProc(url);

I've got rid of some errors in IE7 by changing the function to String so the Regex works, but don't seem to be able to get it to change back into a Function for the onClick.

It's just ignoring the changes and following the href of the anchors, not the onclick. It's also ignoring the "return false". Also when the page loads the "testProc" calls are running and showing the alerts.

I've attached the code below.Start Free Trial 
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// page loads and tries to change all a.orderby elements
$(document).ready(function () {
	for (var i = 0; i < $('a.orderby').length; i++) {
		tempWhere = $('a.orderby').eq(i).attr("onclick");
              
                // converts to string
		tempWhere = String(tempWhere);
              
                // gets rid of all but the URL
		tempWhere = tempWhere.replace(/[^']*'/i,'');
		tempWhere = tempWhere.replace(/'[^f]*false;/i,'');
              
                //reasign to onClick
		$('a.orderby').eq(i).attr("onclick",function () {testProc(tempWhere)});		
	}
});
 
function testProc (msg) {
	alert(msg);
	return false;
}
 
 
// the links on the page
 
<a href="test2.cfm" onclick="oldFunc('first message'); return false;" class="orderby">one</a><br />
<a href="test2.cfm" onclick="oldFunc('second message'); return false;" class="orderby">two</a><br />
 
Keywords: Using regex to dynamically change onC…
Title
1 RegEx Library
2 How to get IE7 to accept a jQuery "n…
3 OnClick
4 jquery ajax call on onclick
5 Regex for BBCode tag in PHP
6 jquery append
 
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[+][-]08.05.2008 at 04:03PM PDT, ID: 22165881

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About this solution

Zones: JavaScript, Dynamic HTML (DHTML), Regular Expressions
Tags: Javascript, DHTML, jQuery, IE7, FF2, IE6, http://www.comcar.co.uk/newcar/test/test2.cfm
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Solution Provided By: Kravimir
Participating Experts: 4
Solution Grade: A
 
 
[+][-]08.05.2008 at 07:23PM PDT, ID: 22166746

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[+][-]08.05.2008 at 11:52PM PDT, ID: 22167673

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[+][-]08.06.2008 at 12:22AM PDT, ID: 22167790

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