Disable JavaScript here to get rid of it in Google Chrome on Android. On the same page, you can tap Add Site Exception, type the URL, and hit Add to allow JavaScript to run on specific websites.

Disable JavaScript from running in Firefox PDF Now, the ability to turn off JavaScript in PDF documents is effortless to get done, though not as straightforward as we would like.

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.