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How do I turn on Javascript?

Last Updated: January 21, 2010
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Some webpages were created using JavaScript. If your browser doesn’t have JavaScript enabled, these types of webpages will not display correctly or their features won’t work.

To enable JavaScript, follow the instructions for your browser:

If you’re running a browser other than those listed above and would like more information about enabling JavaScript, refer to your browser's help file.

Internet Explorer 8.0 and 7.0

To enable JavaScript with Internet Explorer 8.0 or 7.0 on Microsoft Windows:

  1. From the Tools menu, select Internet Options. The Internet Options dialog box appears.
  2. Click the Security tab.
  3. Click the Internet zone, and then click OK when prompted. All the files in your cache are now deleted.
  4. Click Custom Level.
  5. In the Security Settings – Internet Zone dialog box, scroll to the Scripting section, and select Enable for Active Scripting.
  6. Scroll down a little more and select Enable for Scripting of Java Applets.
  7. Click OK to close the Security Settings – Internet Zone dialog box.
  8. Click OK to close the Internet Options dialog box.
  9. Quit and then re-open Internet Explorer.

    IE 7 and 8 Security Settings

Internet Explorer 6.0

To enable JavaScript with Internet Explorer 6.0 on Microsoft Windows:

  1. From the Tools menu, select Internet Options. The Internet Options dialog box appears.
  2. Click the Security tab.
  3. Click the Internet zone, and then click OK when prompted. All the files in your cache are now deleted.
  4. Click Custom Level.
  5. In the Security Settings – Internet Zone dialog box, scroll to the Scripting section, and select Enable for Active Scripting.
  6. Click OK to close the Security Settings – Internet Zone dialog box.
  7. Click OK to close the Internet Options dialog box.
  8. Quit and then re-open Internet Explorer.

Firefox 3.5

To enable JavaScript with Firefox 3.5 on Microsoft Windows:

  1. From the Tools menu, select Options.
  2. Click Content.
  3. Select both the Enable JavaScript and Enable Java options. Make sure the Block pop-up windows checkbox is not selected.

    Firefox 3.5 JavaScript settings
  4. Click OK.
  5. Close and relaunch your Internet browser.

Firefox 2.0 and 3.0

To enable JavaScript with Firefox 2.0, or 3.0 on Microsoft Windows or Mac OS X:

  1. From the Tools menu, select Options (Windows). From the Firefox menu, select Preferences (Mac OS X).
  2. In the Options dialog box, click Content.
  3. Select the Enable JavaScript checkbox.
  4. Click OK to close the Options dialog box.
  5. Quit and then re-open Firefox.

Safari 3.x and 4.0

    To enable JavaScript with Safari 3.x or 4.0 for Mac OS X or Microsoft Windows:

  1. On a Macintosh, from the Safari menu, select Preferences.
  2. On a Windows PC, from the Actions pull-down menu which looks like a gear, select Preferences. Note: It is also under the Edit menu.
  3. Click Security.
  4. In the Security dialog box, select the Enable Plug-Ins, Enable Java, and Enable JavaScript checkboxes. Make sure the Block pop-up windows checkbox is not selected.

    Safari JavaScript settings
  5. Click the red close box.
  6. Quit and then re-open Safari.
A scripting language that Web developers use to add interactive features, such as mouseovers and drop-down menus, to webpages.

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