To disable JavaScript in Firefox, follow the below given steps:
Go to the address bar, type “about:config” and press Enter:
Now, accept the warning and click I accept the risk.
A list of advanced settings will be visible now. Type javascript in the search box to reach the javascript settings:
After reaching, you can see javascript:enabled option as true. You need to toggle it to False. For this, right click on javascript:enabled and click Toggle:
After Toggle, you can see the True is visible i.e. JavaScript is disabled successfully.
