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!

JavaScript is a big part of most modern websites, but it has its share of cons. Here's how to disable it.

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.

Luckily, it's pretty simple to turn it on, and there are ways to just disable JavaScript on certain sites. Here's how to enable JavaScript in Chrome on Windows 10.