Some web page features such as buttons that change when they're clicked or images with zoom capabilities may not work properly while others may not work at all. If you have JavaScript disabled, most of what makes these websites work won't load in your Firefox browser. The use of JavaScript on your Firefox browser is virtually crucial because it enables the best use of modern websites such as Gmail, Facebook, YouTube, and more. What happens if I disable JavaScript on Mozilla Firefox? If the 'javascript.enabled' is set to 'true,' then your JavaScript is working correctly. Type in 'javascript' into this search bar. As you type this, every JavaScript-based setting appear. On clicking the 'Accept the Risk and Continue' button, a search feature will appear. To do that, simply input 'about:config' into the Address Bar of your Firefox browser and press the Enter key on your keyboard. Next, accept the warning about changing advanced settings by clicking the 'I'll be careful, I promise' button. On Mozilla Firefox, JavaScript is enabled by default, but you can check it reasonably quickly to verify if it is working correctly. How do I know if JavaScript is working on Mozilla Firefox? In fact, it should only take you only a minute or so to complete. Enabling JavaScript in your Firefox browser is an easy process. It powers most of the dynamic features you see on web pages, including button clicks, navigations, and form submissions. JavaScript is a popular programming language that's essential for modern websites to function correctly on Mozilla Firefox. If you also want to bring back support for all NPAPI plugins in Mozilla Firefox 52 or later versions, this tutorial will help you. Why do I need JavaScript enabled on Mozilla Firefox? The good news is that if some users want to enable support for all NPAPI plugins back in Firefox browser, Mozilla has provided a preference to turn on the support in the meantime.

How to enable java in firefox 65.0.1