How To Enable JavaScript on Different Browsers

Mozilla Firefox

Go to the Tools menu and select Options. If there is no options tab, click on the Edit menu and click on the Preferences tab. Then click on the Content tab. There you'll see the "Enable JavaScript" option. Check it to turn JavaScript on. When you done, click on OK.

Internet Explorer

Go to the Tools menu and choose Internet Options.
If you see the "Enable JavaScript" option, check it to turn JavaScript On.
If you do not see the "Enable JavaScript" option, than click on the Security tab and then on the Internet icon. Then click on the Custom Level button below. Scroll down to the Scripting heading and then click on Enable to turn JavaScript on. Do not choose the Prompt option, since you will be prompted every time a web site tries to use JavaScript. When you're finished, click on OK and then OK again.

Safari

Go to the Edit menu and choose Preferences. Then click on the Security tab where you'll see the Enable JavaScript option. Check it to turn JavaScript on. When you're done just close the window.

Opera

Click on the Tools menu and choose Preferences. Then click on the Advanced tab and then Content on the left, where you'll see the Enable JavaScript option. Checked means JavaScript on. When you're done, click OK.