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More than 300,000 JavaScript programmers around the world have made this their indispensable reference book for building JavaScript applications. This updated version will lead them and others …

The previous chapters have covered the core JavaScript language in detail, and we’re about to start Part II of the book, which explains how JavaScript is embedded in web browsers and covers the …

Scripting Audio and VideoHTML5 introduces <audio> and <video> elements that are, in theory, as easy to use as the <img> element. In HTML5-enabled browsers, you no... - Selection from …

Creating ArraysThe easiest way to create an array is with an array literal, which is simply a comma-separated list of array elements within square brackets. For example:var empty =... - Selection from …

There are many JavaScript frameworks other than jQuery—many more than I can list here. Some of the best known and most widely used open source frameworks include:

Ajax with jQueryAjax is the popular name for web application programming techniques that use HTTP scripting (see Chapter 18) to load data as needed, without causing page... - Selection from …

I’d like to thank everyone who has answered my questions on the es5, w3c, and whatwg mailing lists, and everyone who has shared their insightful ideas about JavaScript programming online.

Classes and ConstructorsExample 9-1 demonstrates one way to define a JavaScript class. It is not the idiomatic way to do so, however, because it did not define a constructor.

JavaScript arrays are a specialized form of JavaScript object, and array indexes are really little more than property names that happen to be integers. We’ll talk more about the specializations of arrays …