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Part I: Getting Started > Exploring JavaScript's Capabilities

Hour 3. Exploring JavaScript's Capabilities

In Hour 2, “Creating a Simple Script,” you created a working JavaScript program. While this should have given you a feeling of accomplishment, you probably didn't rush right in and add the “Current Date and Time” feature to all of your Web pages—and you're probably waiting to discover what truly useful things you can do with JavaScript.

Before you learn more about the details of the JavaScript language, you might find it helpful to have a general idea of what JavaScript can do, and what is being done with it on the Web. During this hour, you'll take a quick look at some of the most useful applications for JavaScript. (You'll take a longer look at most of these in later hours.) The following topics are covered in this hour:


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