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JavaScript QuickStart: What Is JavaScript? : Page 3

JavaScript. It has all the hallmarks of "flavor of the month"—its name is appearing everywhere and there's panting and foaming at the mouth over learning to use it. So what is it? And why should you care?


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What Can JavaScript Do for Me?
With just a few JavaScript snippets you can transform a static page into something extraordinary. But don't just let us tell you—click on the text below to see four different examples of a script in action.

JavaScript can:

JavaScript scripts can also do "invisible" but critical functions like analyzing which browser a reader is using and displaying the correct version of the page for that browser type.





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