However, workarounds do exist for Android devices. Not only that but unlike other web browsers on iOS like Safari, Firefox on iOS does not have an option to disable JavaScript. JavaScript is enabled by default in Firefox on iOS. Related: How to Restart Firefox on a Computer in 4 Ways How to disable JavaScript in Firefox on iPhone and Android Note: Make sure you see “false” next to JavaScript.enabled before resuming your Firefox session. JavaScript is now disabled on your Firefox web browser. This will make change its value from true to false. In typing area marked by “Search preference name”, type JavaScript.enabled and press ENTER from your keyboard.Ĭlick the toggle button next to the JavaScript.enabled setting. Type about:config in the search bar and press ENTER from your keyboard.Ĭlick on the Accept the Risk and Continue button. Open the Firefox web browser on your PC and click on the search bar at the top of your browser. Let’s see how you can access this page and subsequently disable JavaScript on all websites. This is also referred to as the about:config page. How to disable JavaScript in Firefox on PCįirefox on PC allows users to disable JavaScript for all websites from a single toggle button available in the Advanced Preferences settings. Step #03: Enable JavaScript on a specific website.Step #02: Check the extension’s settings.Step #01: Download Disable JavaScript extension.How to manually enable JavaScript on certain pages.Can you manually enable JavaScript on the required pages?.What happens when you disable JavaScript?.How to disable JavaScript in Firefox Focus on Android.How to disable JavaScript in Firefox on iPhone and Android.How to disable JavaScript in Firefox on PC.

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