no-transition

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Animations can be disabled by setting jQuery.fx.off to true

https://api.jquery.com/jquery.fx.off/

Ohhh that's interesting. I will do some test ASAP. Thanks for the tip.

Of course, if you want to do a pull requests, you are welcome.

Ok I did a test with https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/tabs/executeScript but this run in some kind of isolated context.

So I think the way to go is to insert a script element in the page, execute it, then remove the element.

Curious also about http://getbootstrap.com/javascript/#transitions $.support.transition = false

Bootstrap use jQuery, but perhaps they also have their own transitions that would be nice to disable at the JS level.

but this run in some kind of isolated context.

window.wrappedJSObject.jQuery.fx.off = true;

see: https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Content_scripts#Accessing_page_script_objects_from_content_scripts Note that using wrappedJSObject will probably flag your extension for admin review. And also only works in Firefox(-based) browsers.

@gagarine, have you abandoned us?

Yes sadly yes. I'm not using the plugin myself anymore as 1) web devs to got tired of this gimmick 2) Firefox handle animation a lot better in term of CPU usage.

I may return to it when I got some free time. I will accept pull requests.

I still use it to disable things like the scrolling backgrounds at https://www.humblebundle.com/ and I wish I had time to write a PR to make it toggle things per-page because it causes "freeze up the entire tab"-level fatal breakages in situations like attempting to scroll down to the bottom in a GitHub Gist code editor widget.