Chapter 12. WORKING WITH JAVASCRIPT

Add JavaScript to Your Page

JavaScript was originally developed by the Netscape Corporation to allow for greater interactivity between Web pages and users. Today, it is widely supported across all major browsers. In fact, the language is now a recognized Internet standard, technically called ECMAScript, although few people like or use that name.

Early implementations of JavaScript ranged from very useful functions such as validating forms to less useful, more fanciful animations. While both of those implementations are still found on the Web, the language is enjoying a resurgence in popularity today, thanks in large part to the ever-increasing popularity of Ajax, or Asynchronous JavaScript and XML.

Many uses of ...

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