Enable JavaScript

Mozilla FireFox

Enabling and disabling JavaScript in Firefox 9.0.1

In Firefox, you can configure whether JavaScript in web pages is permitted to execute or not. To allow JavaScript in Firefox:

  • In the Options Preferences window, select the Contentpanel.
    1. Enable JavaScript: Select this option to permit JavaScripts to execute on your computer.
    2. To change advanced settings, click Advanced....
  • Click OK to close the Options window

Google Chrome

Adjust images, JavaScript, and other web content settings

This article applies to the Google Chrome browser on Windows, Mac, Linux, and Chromebooks.

Use the Content Settings dialog to manage the following settings: cookies, images, JavaScript, plug-ins, pop-ups, location sharing, and notifications. Follow the steps below to adjust these settings:

    1. Click the wrench icon wrench icon on the browser toolbar.
    2. Select Options (Preferences on Mac and Linux; Settings on a Chromebook).
    3. Click the Under the Hood tab.
    4. Click Content settings in the "Privacy" section.
      • Cookies are files created by websites you've visited to store browsing information, such as your site preferences or profile information. They're allowed by default. It's important to be aware of your cookie settings because cookies can allow sites to track your navigation during your visit to those sites. Learn more about managing cookies
      • Images are allowed by default. To prevent images from displaying, select "Do not show any images."
      • JavaScript is commonly used by web developers to make their sites more interactive. If you choose to disable JavaScript, you may find that some sites don't work properly.
      • Plug-ins are used by websites to enable certain types of web content (such as Flash or Windows Media files) that browsers can't inherently process. They're allowed by default. Learn more about managing plug-ins
      • Pop-ups are blocked by default from appearing automatically and cluttering your screen. Learn more about managing pop-ups
      • Location requests: Google Chrome alerts you by default whenever a site wants to use your location information. Learn more about location sharing
      • Notifications: Some websites, such as Google Calendar, can show notifications on your computer desktop. Google Chrome alerts you by default whenever a site wants permission to automatically show notifications.

Click Manage exceptions in any section to customize how resources for specific websites should be handled. Want to add a site to the exceptions list? You can enter hostnames and IP addresses, as well as specific domain masks (e.g. enter [*.]google.com to match everything from google.com and www.google.com, but not othergoogle.com).


Internet Explorer 6.0+

  1. Click the Tools menu.   
  2. Select Internet Options.
  3. Click the Security tab.
  4. Click the Custom Level button.
  5. Scroll down until you see the 'Scripting' section. Select the 'Enable' radio button for 'Active Scripting.'
  6. Click the OK button.
  7. If you see a confirmation window, click the Yes button.

Safari 2 or 3

  1. Click the Safari menu.
  2. Select Preferences.
  3. Click the Security tab.
  4. Select the 'Enable JavaScript' checkbox.

What is JavaScript?

JavaScript® is a standard programming language that can be included in web pages to provide functionality such as menus, sounds, and other interactive features.

 

If your are using the Firefox browser, by default, Firefox enables the use of JavaScript and requires no additional installation. However, JavaScript can also be used to do things that some users find undesirable. While the JavaScript settings in Firefox are configured to provide a safe experience on the web, you can review the settings to ensure that they meet your needs.