Chapter 21. JavaScript
In This Chapter
What JavaScript Can Do for You
Reviewing JavaScript's Objects
JavaScript's Events and Handlers
JavaScript's Language Is Complete
JavaScript enables you to add multimedia capabilities to your Web site. JavaScript is linked to DHTML, as you learned in Chapter 18, “Dynamic HTML,” but it is a separate entity from DHTML. Although DHTML relies on JavaScript, DHTML is a collection of technologies that surpasses HTML alone. By itself, JavaScript is a script-based programming environment that you use to spruce up Web sites and make those sites more interactive.
JavaScript is loosely based on the Java programming language.
A Web page can contain a JavaScript scriptlet that executes in response to the user's actions. ...
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