How To Enable JavaScript On Windows 10: A Simple Step-by-Step Guide

Home » How-To

4 min. read

Published on October 27, 2025

Fix Windows errors with Fortect:
Fortect can repair common computer errors by scanning your entire system for damaged or missing OS files and replacing them with the original, working versions. Optimize your PC in 3 simple steps:

Download and Install Fortect on your PC
Use the PC Scan feature to look up any Windows issues (including drivers)
Right-click on Repair, and fix it within a few minutes.

Besides that, it helps you clean up junk files, fix stability problems, and get rid of annoying programs and malware traces.

JavaScript is a crucial scripting language for modern web browsing, enabling interactive features and dynamic content on websites. If JavaScript is disabled in your Windows 10 browser, you might encounter issues with website functionality, such as broken menus, non-functional forms, or missing content. Fortunately, enabling JavaScript is a straightforward process.

This guide will walk you through the steps to enable JavaScript in the most popular browsers on Windows 10, including Google Chrome, Mozilla Firefox, and Microsoft Edge. By following these instructions, you’ll be able to restore full functionality to your web browsing experience.

How Do I Turn On JavaScript in Windows 10?

Enabling JavaScript in Google Chrome

Chrome handles JavaScript settings internally, so you’ll need to adjust the content settings within the browser.

Click the three vertical dots (the “Customize and control Google Chrome” menu) in the top-right corner of the Chrome window.
Select Settings from the dropdown menu.
In the Settings menu, type “JavaScript” into the search bar.
Click on Site Settings.
Scroll down and click on JavaScript.
Select the radio button next to Sites can use JavaScript.
(Optional) If you want to allow JavaScript on specific sites, click the Add button under the “Allowed to use JavaScript” section. Enter the website address and click Add.
(Optional) If you want to block JavaScript on specific sites, click the Add button under the “Not allowed to use JavaScript” section. Enter the website address and click Add.

Enabling JavaScript in Mozilla Firefox

Firefox also allows you to control JavaScript settings through its configuration.

Type about:config in the Firefox address bar and press Enter.
You may see a warning message; click Accept the Risk and Continue to proceed.
In the search bar at the top of the about:config page, type javascript.enabled.
If the value is set to false, click the Toggle button (the arrow icon) to change it to true. This enables JavaScript.

Enabling JavaScript in Microsoft Edge

Edge, being the default browser for Windows 10, also provides a simple way to manage JavaScript.

Click the three horizontal dots (the “Settings and more” menu) in the top-right corner of the Edge window.
Select Settings from the dropdown menu.
In the Settings menu, click on Cookies and site permissions in the left sidebar.
Scroll down and click on JavaScript.
Toggle the switch to the On position to allow sites to use JavaScript.
(Optional) You can add specific websites to the “Allow” or “Block” lists to customize JavaScript permissions for those sites.

Tips for Managing JavaScript

Security Considerations: While JavaScript enhances web browsing, it can also be a security risk. Be cautious about enabling JavaScript on unfamiliar or untrusted websites.
Browser Extensions: Some browser extensions can interfere with JavaScript functionality. If you’re experiencing issues, try disabling your extensions one by one to see if that resolves the problem.
Clear Cache: After enabling JavaScript, clear your browser’s cache and cookies to ensure the changes take effect properly.
Regular Updates: Keep your browser updated to the latest version to benefit from security patches and improved JavaScript performance.

Comparing JavaScript Settings Across Browsers

Here’s a quick comparison of how JavaScript settings are accessed in each browser:

Browser	Setting Location	Method
Google Chrome	Settings > Site Settings > JavaScript	Toggle “Sites can use JavaScript”
Mozilla Firefox	`about:config` > `javascript.enabled`	Toggle value to `true`
Microsoft Edge	Settings > Cookies and site permissions > JavaScript	Toggle switch to “On”

Ensuring Seamless Web Experiences

Enabling JavaScript in your preferred browser is a simple yet crucial step to ensuring you can fully experience the modern web. By following the steps outlined above, you can quickly restore functionality to websites and enjoy interactive content without interruption.

FAQ

Why is JavaScript disabled on my browser? Sometimes, JavaScript is disabled by default for security reasons, or it might have been accidentally disabled in the browser settings.

What happens if I don’t enable JavaScript? Many websites rely on JavaScript for their interactive features. Without it, you might experience broken layouts, non-functional forms, or missing content.

Is it safe to enable JavaScript on all websites? While generally safe, it’s best to be cautious. Only enable JavaScript on websites you trust to minimize potential security risks.

How can I tell if JavaScript is enabled on a website? If you’re unsure, you can use online tools that check JavaScript status or simply observe if interactive elements on the website are working correctly.

Can I enable JavaScript temporarily for a specific website? Yes, most browsers allow you to add specific websites to an “Allow” list for JavaScript, granting temporary permissions.