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About JavaScript

What is JavaScript? JavaScript is a scripting language developed by Netscape that runs in your browser that can add dynamic and programmable functionality to Web sites. There are settings in your browser that allow you to control whether or not your browser allows JavaScript to be processed.

What is JavaScript used for? Web sites developers often add JavaScript to their pages to make them more dynamic and interactive. Another common use of JavaScript is to validate information and alert you when incorrect information is entered.

Why is JavaScript important? Many Web sites cannot work properly if JavaScript is disabled. Web sites that have sophisticated applications or dynamic features rely heavily on JavaScript and may not work if JavaScript is disabled.

Is JavaScript safe? If you are on a Web site that you know and trust, then in most cases there is no reason to be concerned about JavaScript. However, other untrustworthy Web sites can use JavaScript to create things like pop-up ads and spawn more browser windows.

How do I change my JavaScript settings? To change your JavaScript settings, open a browser window. Under the Tools menu, select Options, and then select Web Features. Select Enable JavaScript. For more detailed JavaScript settings, click Advanced.

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