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Chapter 1. An Overview of Javascript > What Can You Do with JavaScript?

What Can You Do with JavaScript?

The readers of my book on creating Web pages are a friendly bunch who enjoy writing to me to tell me how their pages are coming along. In many cases, they tell me they've hit the Web page equivalent of a roadblock. That is, there's a certain thing they want to do, but they don't know how to do it in HTML. So I end up getting lots of questions like these:

  • How do I display one of those pop-up boxes?

  • How do I figure out which browser a surfer is using?

  • How can I get a message to scroll along the status bar?

  • How can I make an image change when the mouse is over it?

  • How can I calculate the total for my order form?


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