How to enable JavaScript in browser?

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
Last update:
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  • JavaScript is a crucial web component and a building block for many web apps and websites.
  • Sometimes users can accidentally disable JavaScript, but the browser settings can help you enable it again. 
  • In this guide, we show you how to enable JavaScript in the browser code on all major web browsers, so keep reading!
  • To enable JavaScript programmatically in the browser, we recommend you take a closer look at our guide below.
enable JavaScript in your web browser
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The JavaScript files often serve as a vehicle for downloading other malware. As a rule of thumb, you must never open a file that looks suspicious.

JavaScript is a crucial component of every browser, but sometimes JavaScript might be disabled for you. In today’s article, we’ll show you how to enable JavaScript in all major browsers, so let’s get started.

How can I enable JavaScript on my PC?

1. Opera

  1. Click on the Opera button in the top left corner and choose Settings.
    opera settings How to enable javascript in my browser
  2. Scroll all the way down and click on Advanced.
  3. In the Privacy and security section click on Site Settings.
    site settings opera How to enable javascript in my browser
  4. Select JavaScript and make sure that the Allowed (recommended) option is enabled.
    opera allow javascript How to enable javascript in my browser

If you’re not familiar with Opera, you should know that it comes with a built-in ad-block, so it won’t show you any ads. By disabling the ads and its scripts, your webpages will load faster.

Opera also has tracking protection, the ability to detect malware, and for an extra layer of security, there’s a free VPN available with unlimited bandwidth. If you already haven’t, be sure to give Opera a try.

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2. Google Chrome

  1. In Chrome, go to More icon, and select Settings.
  2. Scroll all the way down and click on Advanced.
    advanced options chrome How to enable javascript in my browser
  3. In the Privacy and security section click on Content settings.
  4. Click on JavaScript and make sure that it’s set to Allowed (recommended).

3. Mozilla Firefox

  1. Enter about:config in the address bar, and press Enter.
  2. If you get a warning message, click on I accept the risk button.
  3. In the search bar enter javascript.enabled. Now double click javascript.enabled from the list of results to set it to True.
  4. After doing that, JavaScript will be enabled in Firefox.

4. Microsoft Edge

  1. Open Settings.
  2. Go to Site Permissions, and select JavaScript.
  3. Make sure that Allowed (recommended) option is enabled.
    enable javascript microsoft edge How to enable javascript in my browser

On older versions of Microsoft Edge, JavaScript is enabled by default, and it can’t be disabled.

On the new Chromium-based Edge, you can enable JavaScript by doing the following:

JavaScript is an essential web component, so you should always keep it enabled in your browser. Did you find this article helpful? If so, let us know in the comments below.

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Frequently Asked Questions

  • Enabling JavaScript differs from browser to browser. Take a closer look at our helpful guide to see how to enable JavaScript in browser in no time.

  • JavaScript is a programming language, and all web browsers can understand it by default. Therefore, there’s no need to install anything. But if you want to download JavaScript code for Windows 10, check out our guide.

  • JavaScript has been present for decades, and all web browsers have been supporting it for years. Take a closer look at our 5 best browsers list for Windows 10 to find the proper one for your needs.

  • JavaScript is used for web applications and interactive pages, so if your JavaScript is disabled, certain websites might not work properly.

  • Enabling JavaScript differs from browser to browser, but in most cases, you just need to open Advanced settings and enable it from there.

  • JavaScript is a programming language, and all web browsers can understand it by default. Therefore, there’s no need to install anything.

  • JavaScript has been present for decades, and all web browsers have been supporting it for years.

  • JavaScript is used for web applications and interactive pages, so if your JavaScript is disabled, certain websites might not work properly.

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