How do I enable or disable JavaScript in my browser?

JavaScript or JS logoToday, all browsers have JavaScript installed and enabled by default. Keep in mind that many features on web pages are JavaScript dependent and will not work properly when it is disabled. Additionally, JavaScript and Java are two completely different features of a browser. This document is for toggling JavaScript, not Java. To proceed, select your browser from the list below and follow the instructions.

Tip: To test whether or not JavaScript is enabled, see the JavaScript definition for a working example.

Microsoft Internet Explorer users
Google Chrome
Mozilla Firefox users
Apple Safari users
Opera users
Android Phone & Tablet users
iPhone & iPad users

Internet ExplorerInternet Explorer

  1. Open the Internet Explorer browser.
  2. Click Tools IE tools in the upper right-hand corner of the browser window.
  3. Select Internet Options from the drop-down menu that appears.
  4. Within Internet Options window, click the Security tab.
  5. In the Security tab, click Custom Level... button.
  6. Scroll down the list (close to the bottom) and locate Active Scripting. Select Disable, Enable, or Prompt to adjust your JavaScript settings.

Google ChromeGoogle Chrome

  1. Open the Chrome browser.
  2. Click Customize and control Google Chrome Chrome settings in the upper right-hand corner of the browser window.
  3. Select Settings from the drop-down menu that appears..
  4. At the bottom of Settings window, click Show advanced settings...
  5. In the Privacy section, click the Content settings... button.
  6. Under the JavaScript section, choose the appropriate settings for your needs. You may enable, disable, or set specific rules under the Manage exceptions... button.
  7. Once you have made your changes, click Done.

FirefoxMozilla Firefox

  1. Open the Firefox browser.
  2. In the address bar, type about:config and press Enter.
  3. Click the I'll be careful, I promise button in the center of the screen.
  4. In the search bar, type javascript.enabled.
  5. Right-click the result named javascript.enabled located just below the search bar and select Toggle.
  6. JavaScript is now disabled. To re-enable it, repeat this exact process.

SafariSafari

  1. Open the Safari browser.
  2. Click Menu Safari menu in the upper right-hand corner of the browser window.
  3. Select Preferences... from the drop-down menu that appears.
  4. Click the Security tab and locate the Web content: section.
  5. The check box next to Enable JavaScript toggles whether or not it is on or off.

OperaOpera

  1. Open the Opera browser.
  2. Click Customize and control Opera Opera Menu button in the upper left-hand corner of the browser window.
  3. Select Settings from the drop-down menu that appears.
  4. Click Websites in the settings window that appears.
  5. Under the JavaScript section, choose the appropriate settings for your needs. You may enable, disable, or set specific rules under the Manage exceptions... button.

Android Phone & Tablet users

  1. Access the full Apps list on the Android phone.
  2. Tap the Browser icon.
  3. Tap the menu button to open the browser menu, then tap the Settings option.
  4. Tap the Advanced option in the Settings menu.
  5. Check the box for Enable Javascript to enable Javascript or uncheck the box to disable Javascript.

iPhone & iPad users

  1. Tap the Settings icon on the home screen.
  2. On the Settings screen, scroll down, find and tap the Safari option.
  3. On the Safari screen, scroll down to the bottom and tap the Advanced option.
  4. On the Advanced screen, slide the Javascript settings to the right to enable Javascript or slide the setting to the left to disable Javascript.

Additional information