The sixth edition offers comprehensive coverage of the ECMAScript 5 (new language standard) as well as new APIs are introduced in HTML5. JavaScript: This guide certainly is organized into four sections: Part 1: Learn the core JavaScript language detail - ideal for newcomers and experienced JavaScript programmers who want to hone their skills Section 2: Understanding the scripting environment provided by web browsers with a broad and deep coverage of client-side JavaScript is illustrated by many examples of sophisticated Sections 3: Get a complete reference for core JavaScript that documents every class, object, constructor, method, function, property, and constant Part 4: Consult with a separate reference for client-side JavaScript, including legacy web browser APIs, the standard DOM Level 2 API, XMLHttpRequest object, and the canvas tag