How to enable JavaScript in FireFox 2
In FireFox main menu.

1. Click on Tools.
2. Then click Options...

3. Check on Enable JavaScript.
4. Click OK button.
Finally, press Ctrl+R to reload web page.
In FireFox main menu.

1. Click on Tools.
2. Then click Options...

3. Check on Enable JavaScript.
4. Click OK button.
Finally, press Ctrl+R to reload web page.