Contents
Learn how to enable JavaScript in Firefox so that you can view websites and web applications that use it. We’ll show you how to do it in just a few steps.
Checkout this video:
Introduction
JavaScript is a programming language used to add interactivity to websites. For example, JavaScript can be used to create drop-down menus, to display alert messages and to create games. Most JavaScript-based applications will not work unless JavaScript is enabled in Firefox.
To enable JavaScript in Firefox, follow these instructions.
How to Enable JavaScript in Firefox
To increase your security while browsing the web, it is important to enable JavaScript in your web browser. This will allow you to view websites that use JavaScript and will also allow you to use features on these websites. Enabling JavaScript in Firefox is a simple process.
Open the Firefox browser and type “about:config” in the URL bar
This will open the Firefox configuration page.You may see a warning message.Click “I’ll be careful, I promise!” to continue to the about:config page.
In the about:config page, search for the “javascript.enabled” preference.
Double-click on the “javascript.enabled” preference to change its value from “false” to “true”. This will enable JavaScript in Firefox.
In the search bar, type “javascript.enabled”
In the search bar, type “javascript.enabled” (without the quotes), and you should see a setting called “Enable JavaScript”. Toggle the ” Enable JavaScript” setting to “On”, and then close the about:config page.
Toggle the “javascript.enabled” preference to “true”
1. In the URL bar, type about:config and press Enter.
2. Click I’ll be careful, I promise! when prompted.
3. Search for javascript.enabled.
4. Toggle the “javascript.enabled” preference to “true” to enable JavaScript or to “false” to disable it.
Close the about:config tab
About:config is a page that lets you modify the Firefox configuration. It’s possible to make some serious changes to Firefox by changing the values on about:config, so be careful.
JavaScript is disabled by default in Firefox, but you can enable it if you want. Here’s how:
1. Type about:config in the Firefox address bar and press Enter.
2. A warning message will appear. Click I accept the risk!.
3. In the search bar, type javascript.enabled.
4. Double-click on the preference to change its value from false to true.
5. Close the about:config tab when you’re done.
Conclusion
To enable JavaScript in Firefox, follow these instructions.
1. In the address bar, type about:config and press Enter.
2. In the search bar, search for javascript.enabled.
3. To the right of javascript.enabled, click the Toggle button . JavaScript is now enabled!
