Javascript enable/disable 32

about:config

1. In the address bar, type "about:config" (with no quotes), and press Enter.
2. Click "I'll be careful, I promise"
3. In the search bar, search for "javascript.enabled" (with no quotes).
4. Right click the result named "javascript.enabled" and click "Toggle". JavaScript is now disabled.

 https://support.mozilla.org/en-US/questions/967344