Learn how to enable JavaScript in the most popular web browsers.

Browser Instructions

Internet Explorer

Please complete the following instructions to activate and enable JavaScript in Internet Explorer.

PC

1. In the Tools drop-down menu, select Internet Options.
2. Next, select the Security tab.
3. Then, select the earth (Internet) icon.
4. Then select the Custom Level button.
5. Locate Scripting near the bottom of the list.
6. Under Active Scripting, select Enable, then hit OK.
7. Answer yes to the following conformation box.
8. Hit OK to close the Internet Options window.
9. Finally, hit refresh on your browser window to enjoy the javascript.

Firefox

Please complete the following instructions to activate and enable JavaScript in Firefox.

PC

1. In the Tools drop-down menu, select Options.
2. Next, select the Content icon/tab at the top on the window.
3. Then, check the Enable JavaScript checkbox under the Web Content category.
4. Hit OK to close the Options window and save your changes.
5. Finally, Refresh your browser.

MAC

1. Select the Firefox menu item from the Apple/System bar at the top of the screen.
2. From the drop-down menu, select Preferences...
3. Select the Content icon/tab at the top on the window.
4. Then, check the Enable JavaScript checkbox.
5. Close the Options window to save your changes.
6. Finally, refresh your browser.

Safari

Please complete the following instructions to activate and enable JavaScript in Safari.

PC

1. In the Edit drop-down menu at the top of the window, select Preferences...
2. Select the Security icon/tab at the top on the window.
3. Then, check the Enable JavaScript checkbox.
4. Close the window to save your changes.
5. Finally, Refresh your browser.

MAC

1. Select the Safari menu item from the Apple/System bar at the top of the screen.
2. From the drop-down menu, select Preferences.
3. Select the Content icon/tab at the top of the window.
4. Then, check the Enable JavaScript checkbox.
5. Close the window to save your changes.
6. Finally, refresh your browser.

Opera

Please complete the following instructions to activate and enable JavaScript in Opera.

PC

1. In the Tools drop-down menu at the top of the window, select Preferences...
2. Select the Advanced tab at the top on the Preferences window.
3. Find the Content item in the list on the left-side of the window and select it.
4. Then, check the Enable JavaScript checkbox.
5. Click OK to save your changes and close the Preferences window.
6. Finally, Refresh your browser.

MAC

1. Select the Safari menu item from the Apple/System bar at the top of the screen.
2. From the drop-down menu, select Preferences.
3. Select the Content icon/tab at the top of the Preferences window.
4. Then, check the Enable JavaScript checkbox.
5. Click OK to save your changes and close the Preferences window.
6. Finally, refresh your browser.

Chrome

Please complete the following instructions to activate and enable JavaScript in Chrome.

PC

1. Select Customize and control Google Chrome (the icon with 3 stacked horizontal lines) to the right of the address bar
2. From the drop-down menu, select Settings
3. At the bottom of the page, click Show advanced settings…
4. Under Privacy, select the Content settings… button
5. Finally, under the JavaScript heading, select the Allow all sites to run JavaScript radio button

MAC

1. Select the Chrome menu item from the Apple/System bar at the top of the screen.
2. From the drop-down menu, select Preferences...
3. On the left, select Settings
4. At the bottom of the page, click Show advanced settings…
5. Under Privacy, select the Content settings… button
6. Finally, under the JavaScript heading, select the Allow all sites to run JavaScript radio button

iPhone

Please complete the following instructions to activate and enable JavaScript on the iPhone.

1. Select the Settings application/icon on the iPhone home screen
2. Select Safari on the following screen
3. Scroll down and look for the JavaScript item
4. Select the JavaScript toggle to the On position.

Web Developer Guide

Let activatejavascript.org help your users enable JavaScript in their web browsers. Our homepage has a feature that auto-detects a user's browser making it easy for them to access the most appropriate instructions for their selected browser.

Place the following code snippet anywhere on your site that you would like the message to appear. It will alert your users to enable JavaScript so that they can experience your site in that way that you have designed it.

<noscript>This site has features that require javascript. Follow these simple instructions to <a href="http://www.activatejavascript.org" target="_blank">enable JavaScript in your web browser</a>.</noscript>