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Asked: 2026-05-11T07:20:53+00:00

I want to use jQuery in an add on JS library that can be

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I want to use jQuery in an add on JS library that can be added to random websites. These websites may or may not use jQuery already.

I have 3 questions around this actually:

  1. I will probably load jQuery dynamically from my own js script (not from a script tag in the document head). Will jquery work this way? how can I make sure it will run in time without having the standard $(document).ready(function(){} in the main document?

  2. What should I do to avoid conflicts with existing jQuery (if any) in the web site code.

  3. Is there a recommended way to add a widget that includes jQuery to random websites while providing minimal code and simplest integration.

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1 Answer

  1. This is pretty loose and incomplete — and really is meant to be a starting point:

    if (typeof $ != 'undefined') {     var msg = 'This page already using jQuery v' + $.fn.jquery; } else {     var s = document.createElement('script');     s.setAttribute('src', 'http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js');     document.getElementsByTagName('head')[0].appendChild(s);     var msg = 'This page is now jQuerified'; }

    then wait via a brief setTimeout() before running a ready() function

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