JavaScript is a scripting system for web pages, standalone applications, and servers. Netscape Corporation invented JavaScript, which has become such a popular and useful programming tool that all major browsers now support it. Unlike the Java code shown in this book, JavaScript is mainly executed in the web browser as a client-side scripting system, rather than on the server.

Most busy web sites use JavaScript for dynamic behavior, such as validating form input or creating new browser windows (much to the chagrin of users, who are often overwhelmed by irresponsible and dynamically generated pop ups!). Just choose "View Source" from the browser menu bar for a typical web page, and often the first text items you'll see displayed are endless lines of JavaScript. JavaScript is used for advanced tasks such as controlling or animating browser shapes (dynamic HTML), creating flying objects, and initializing the behavior of embedded videos .

Developers converting static web pages to JSPs or servlets may have to integrate existing JavaScript code into their Java source code. This is what the upcoming recipes are all about.

JavaScript guides are available from

Java Servlet & JSP Cookbook
Java Servlet & JSP Cookbook
ISBN: 0596005725
EAN: 2147483647
Year: 2004
Pages: 326

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