Part I: JavaScript Quick Start. Basic JavaScript.

Part II: Background. Why JavaScript? -- The Nature of JavaScript -- How JavaScript was created -- Standardization: ECMAScript -- Historical JavaScript Milestones.

Part III: JavaScript in Depth. JavaScript's Syntax -- Values -- Operators -- Booleans -- Numbers -- Strings -- Statements -- Exception Handling -- Functions -- Variables: Scopes, Environments, and Closures -- Objects and Inheritance -- Arrays -- Regular Expressions -- Dates -- Math -- JSON -- Standard Global Variables -- Unicode and JavaScript -- New in ECMAScript 5.

Part IV: Tips, Tools, and Libraries. A Meta Code Style Guide -- Language Mechanisms for Debugging -- Subclassing Built-ins -- JSDoc: Generating API Documentation -- Libraries -- Module Systems and Package Managers -- More Tools -- What to Do Next.