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Is JavaScript the Same Thing as Java?

No. Despite some similarities, you should not confuse the two.

Visit the Sun Microsystems site to learn more about Java. We have become increasingly enamored with JavaScript for its potential to provide client-side processing of mini-applications. ("Client-side" processing simply means that the application runs on the users' computers without interaction with the server.)

Because the majority of action occurs locally, fewer packets of data transfer are required. This conserves bandwidth. Bandwidth conservation is important (at least right now) due to the increasing popularity of the Internet and the World Wide Web. More and more users means more and more traffic. More traffic can result in slow-downs for everyone.

Even if the bandwidth problems are resolved with advances in hardware and technology, you, as a Web Developer, don't want to annoy visitors to your site by burdening them with huge downloads of data. You want to try to keep pages "short and sweet" with compact images and content, so they are not waiting for long periods of time just to see your page come up.

Although you may have a fast connection, most visitors will be using slow modems. And if the net is "crawling", even a modest page may take a minute or more to download on the slower modems.

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