Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I have found this site with Firefox shortcuts. They mention a shortcut Ctrl+Shift+F9 but it doesn't work for me.

I need shortcut for quick switching to without JavaScript mode during debugging of my site.

Can anybody help?

EDIT: I need to stop executing JavaScript on the currently opened page. Previous changes on the page made by JavaScript will stay preserved.

share|improve this question

migrated from Dec 28 '11 at 20:41

This question came from our site for professional and enthusiast programmers.

You can install the Preferences Toolbar add-on and that gives you a JavaScript checkbox. – Pointy Dec 28 '11 at 18:08
would a plugin like QuickJava suffice – T I Dec 28 '11 at 18:08
noscript seems to have ctrl+shift+\ to temporarily disable – T I Dec 28 '11 at 18:12
@fixer1234 this is also about the same age. What matters the most is concentrating info: old questions can get new answers. We can close either way. Rather close this way as that one has more upvotes. – Ciro Santilli 巴拿馬文件 六四事件 法轮功 Nov 25 '15 at 22:31

install the keyconfig extension, then add a key with this code:

var prefs = Components.classes[";1"].getService(
prefs.setBoolPref("javascript.enabled", !prefs.getBoolPref("javascript.enabled"));

this toggles firefox's "javascript enabled" preference. i've tested it on firefox 9 on ubuntu lucid, and it works.

more keyconfig examples:

share|improve this answer
related:… – ryan Dec 29 '11 at 16:39

Looks like Opera browser is unbeaten here too.

In Opera, you just press two keys, sequentially: F12, j to toggle JavaScript disabled/enabled state on the current tab. Scripts are stopped immediately, you'll only need to reload page to start scripts again.

BTW, the last "true" Opera is Opera version 10.10. YMMV with newer Opera.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.