The Basics of JavaScripts

Short Description
JavaScript is a scripting language developed by Netscape. With JavaScript you can easily create interactive web pages. JavaScript statements can be embedded directly in an HTML page. Web developer programs such as Dreamweaver can also create JavaScript’s. These statements can recognize and respond to user events such as mouse clicks, popup windows, page navigation, last page update info and MUCH more!

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Content
Essentially, events are messages generated by browsers indicating that a visitor to your page has done something. For example, you can write a JavaScript function to verify that users enter valid information into a form. Without any network transmission, an HTML page with embedded JavaScript can interpret the entered text and alert the user with a message dialog if the input is invalid.
JavaScript shares the fundamental feature of all programming languages: it can get data from some source, process that data, and output the results. Because it is integrated into HTML, JavaScript already knows what your browser knows.
One of the best things about JavaScript is that you can do a great deal with very little programming. You don’t need a fancy computer, you don’t need any software other than a word processor and a Web browser, and you don’t need access to a Web server; you can do all your work right on your own computer.
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