How do I enable or disable JavaScript in my browser?

JavaScript or JS logoToday, all browsers have JavaScript installed and enabled by default. If you want to verify that JavaScript is enabled or want to JavaScript follow the steps below for the Internet browser you're using. Keep in mind that JavaScript and Java are two completely different features of a browser, this document is for enabling or disabling JavaScript not Java.

Tip: If at any time you need to test if JavaScript is enabled or disabled see the JavaScript definition for a working example of a JavaScript that will work if enabled or display JavaScript is disabled when disabled.

Warning: keep in mind many features and portions of webpage's rely on JavaScript, if disabled you may encounter various errors or the inability to access some websites.

Microsoft Internet Explorer users
Google Chrome
Mozilla Firefox users
Opera users

Internet ExplorerInternet Explorer

  1. Open Internet Explorer.
  2. Click Tools.
  3. Click Internet Options.
  4. Within Internet Options click the Security tab.
  5. In the Security tab click the Custom Level button.
  6. Scroll down the list (close to the bottom) and locate "Active Scripting" and select "Disable", "Enable", or "Prompt" depending on if you want to enable or disable JavaScript.

Google ChromeGoogle Chrome

  1. Click on the "wrench"  Chrome wrench icon or "Menu" Chrome Menu button icon, which is located near the top-right side of the browser window and
  2. Click Settings.
  3. At the bottom of Settings click Show advanced settings
  4. In the Privacy section click the Content settings button
  5. Under JavaScript select Do not allow any site to run JavaScript or if you want to manage what sites can run JavaScript click Manage exceptions.Firefox

Mozilla Firefox

  1. Open the browser.
  2. Click Tools and then Options.
  3. Click the Content button.
  4. Within the Content section check the "Enable JavaScript" option to enable JavaScript or uncheck the JavaScript option to disable JavaScript.


  1. Open Opera
  2. Click Tools and click Quick Preferences or press F12
  3. In the Quick Preferences check "Enable JavaScript" to enable JavaScript or uncheck it to disable JavaScript.

Additional information