CB & template loading conflicting jQuery versions

justmebg
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13 years 3 weeks ago #159242 by justmebg

CB & template loading conflicting jQuery versions was created by justmebg

I have been having several issues with my site, including the "attach file" function in Kunena forums not working. People smarter than me from Kunena said this is due to conflicting jQuery libraries being loaded.

Reference article sent by Kunena
My website

Here's what was loading on my site:
module/cb_suggest - jQuery JavaScript Library v1.3.2 (now disabled, developer contacted)
Impacto Template (Joomlashack) - jQuery JavaScript Library v1.4.3
Community Builder - jQuery JavaScript Library v1.5

I contacted Joomlashack support, and here is their answer:

The problem is that CB is loading two different versions itself, which is odd. You need to disable them both, as the one in the template is the best one to keep I think (so it loads on every page properly, whereas CB would only load on pages where CB is used). Please contact CB about this, since the template functions fine when there are multiple copies of jQuery. I tested by disabling the other copies, and the errors went away.

Attached are the Firebug errors and the page source for my site on the lines that are creating the error.

Please advise - what can I do to resolve this issue? I need the attach file function to work, and so far all the support teams have passed the buck. :-)

Beth G

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krileon
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13 years 3 weeks ago - 13 years 3 weeks ago #159310 by krileon

Replied by krileon on topic Re: CB & template loading conflicting jQuery versions

CB is not loading 2 different jQuery versions. CB does not have 2 different versions. You've a module not developed by us loading a jQuery library then you've a template not developer by us loading a jQuery library. CBs being the latest of all 3 of the loaded libraries. CB also runs in noConflict mode, we can't account for other developers usage of jQuery.

The template and module should be checking the head for an existing library before loading. CB will always push its more up to date library to ensure CBs functionality. An extremely simple JS check to test head and include jquery can be done as follows, this should be employed by your module (if module is CB related it should be using CB API) and template developers to dynamically load jQuery only when missing.

if ( typeof jQuery == 'undefined' ) { 
   var head = document.getElementsByTagName( 'head' )[0];
   var script = document.createElement( 'script' );

   script.type = 'text/javascript';
   script.src = 'js/jquery.js';

   head.appendChild( script );
}

There are some PHP solutions as well as solutions using Joomla API, but the above is likely the easiest and most lightweight of the choices.

Kyle (Krileon)
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Last edit: 13 years 3 weeks ago by krileon.

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CB & template loading conflicting jQuery versions

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