If you want to disable JavaScript from running in Mozilla Firefox, then you need to change this hidden setting. JavaScript can be a security risk!

Finally, Firefox 23 removes the option to disable JavaScript from the Options pane -- and if you had JavaScript turned off, it has been turned back on.

To disable JavaScript in Firefox, you'll have to install a third-party add-on or use the configuration editor. For that, type about:config in the address field and accept the risk to continue.

Until a patch is available, Firefox users should use an alternate browser whenever possible, or they should at the very least disable JavaScript on as many sites as possible.

Mozilla recommended users disable JavaScript in Firefox if they were unable or unwilling to patch the browser. Only one of the four engine crashes impacts Firefox 3.0.

How to disable Right Click and Save Password functionalities in Firefox 3.5?Thanks ...

Mozilla yesterday patched 10 bugs in Firefox, half of them critical, in the browser’s rendering and JavaScript engines, media and video libraries, and other components.

Mozilla recommended users disable JavaScript in Firefox if they were unable or unwilling to patch the browser. Only one of the four engine crashes impacts Firefox 3.0.