Book excerpt: JavaScript in easy steps, now in its third edition, instructs the reader how to add functionality (logic) and dynamic effects (DHTML) to web pages. It contains separate chapters on all major features of the JavaScript language. There are code examples and browser screenshots illustrating each aspect of JavaScript. This popular title is updated for the Document Object Model used by modern browsers and includes examples showing how to develop Rich Internet Applications(RIAs) using the latest techniques employing Asynchronous JavaScript And XML (AJAX).· Introducing JavaScript · Performing Operations · Making Statements · Using arrays · Date and Time · Doing Mathematics · Addressing Page Objects · Window Properties · Document Properties· Form Properties · Event Handler· JavaScript in DHTML· JavaScript in e-commerce