Book excerpt: Fast, focused instruction for beginning Web developers W3Schools.com is the number one online education source for beginning Web developers. This attractive two-color book contains concise, highly focused tutorials in the proven W3Schools instructional format, with an easy-to-use reference of JavaScript Objects and the HTML DOM included. Novice developers will quickly learn to create interactive Web pages using the most popular Web scripting language. W3Schools is the top Google search result for instruction on JavaScript, HTML, CSS, and other key Web technologies; this book presents W3Schools tutorials in an easy-to-follow format for quick learning Features clear examples, simple explanations, and a thorough reference section covering JavaScript Objects and the HTML DOM Covers statements and comments; variables, operators, and comparisons; if…then statements; pop-up boxes; events and try…catch; objects, strings, arrays, and Booleans; cookies, validation, and timing; Ajax requests and XMLHTTP requests; Ajax suggest, and more Designed to get beginning Web developers up and running as quickly as possible, Learn JavaScript and Ajax with W3Schools presents a proven, highly focused course of instruction in an easy-to-use format.