How to enable JavaScript

1. Click the Chrome menu icon .
2. Select Settings.
3. Near the bottom of the page, click Show advanced settings.
4. In the "Privacy" section, click Content settings.
5. To enable JavaScript, select Allow all sites to run JavaScript (recommended).
6. Click Done to save.
7. Refresh Chrome. 

Click to visit an official web site of Google Chrome about JavaScript. 

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. Check mark Enable JavaScript .
   
4. Close the window to save your changes.
   
5. Refresh Safari.

Click to visit an official web site of Apple Safari about JavaScript. 

1. In the Tools drop-down menu, select Internet Options.
   
2. Select the Security tab.
   
3. Select the earth (Internet) icon.
   
4. Select the Custom Level button.
   
5. Locate Scripting near the bottom of the list.
   
6. Under Active Scripting, select Enable, then click OK.
   
7. Answer yes to the following conformation box.
   
8. Click OK to close the Internet Options window.
9. Refresh Internet Explorer. 

Click to visit an official site of Internet Explorer about JavaScript.