In Firefox, how do I turn Java and JavaScript off or on?

To enable or disable Java and JavaScript in Mozilla Firefox:

1. Open the Options or Preferences window:
   
   
   • In Firefox for Windows, from the Tools menu, select Options... .
   • In Firefox for Mac OS X, from the Firefox menu, select Preferences... .
   
   
2. In Firefox 1.5 or later, click Content; in Firefox 1.0, in the list on the left, select Web Features.
   
   
3. Check (to enable) or uncheck (to disable) the boxes next to Enable JavaScript and Enable Java.

Also see:

• In Mac OS or Mac OS X, how can I use Java?
• In Internet Explorer, how do I turn Java or JavaScript off or on?