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Asked: 2026-05-25T15:51:09+00:00

So I’m developing on a platform that injects jQuery-1.2.6 every time when a page

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So I’m developing on a platform that injects jQuery-1.2.6 every time when a page loads. I developed my page to use jQuery-1.4.2, so when my page loads there are 2 jQuery instances on my page.

To avoid any conflict, I’ve included the following line in my JS file that is outside my page:

var mc$ = jQuery.noConflict();
jQuery(function($)

Everything seems to be working if I use mc$ for where the $ was originally used.

I am getting an error in Firebug and IE that I don’t know how to resolve.

Within a file that is injected on the platform when my page loads the developer has done:

 $(document).ready(function() {

and the error in Firebug states: ‘$ is not a function’.

This error only started to show up once I made the change of:

var mc$ = jQuery.noConflict();

I’m thinking that by creating the mc$ variable that something broke with the developer’s $(document)… call. If so, I don’t know how to resolve this and if not I would hope there is a solution that I can put into place to provide the functionality back to the developer’s injected file.

Thanks!

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1 Answer

  1. Editorial Team

    A call order in your <head> section must be next:

    1. jQuery library №1;
    2. noConflict for it;
    3. jQuery library №2.

    .noConflict() can look like this:

    <script type="text/javascript">var mc$ = jQuery.noConflict();</script>

    And after use this syntax in the scripts:

    mc$('#container').height();
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