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Editorial Team
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Asked: 2026-05-17T14:55:55+00:00

I’m creating a bookmarklet and everything was going ok. I had a function that

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I’m creating a bookmarklet and everything was going ok. I had a function that loads jQuery asynchronous if the page didn’t have it and then load my script or load my script directly if the page had jQuery.

Then I try to use the delegate function which is only available in jQuery 1.4.something. I can check the jQuery version with $().jquery but then if i load jQuery i have jQuery twice and events executes twice.

Is there a way to remove the previous loaded jQuery and then load the new version that I need?

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1 Answer

  1. Editorial Team

    There is, but you’ll be breaking the page when you do so, so I highly recommend not doing this. To remove jQuery itself:

     jQuery.noConflict(true);

    This is just to show it can be done (though it doesn’t remove all the effects it had), in your case I would not do this, what you’re doing will really break the webpage your bookmarklet’s running on.

    Instead, consider if your bookmarklet needs the latest jQuery API, would a version behind fit all your needs? If so then use that, even if it’s a bit less efficient, so it works whether the page has a slightly older version or not.

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