JavaScript

Most programming languages contain good and bad parts, but JavaScript has more than its share of the bad, having been developed and released in a hurry before it could be refined. This authoritative book offers a detailed explanation of the features that make JavaScript an outstanding object-oriented programming language, and warns you about the bad parts. In the process, JavaScript: The Good Parts defines a subset of JavaScript that's more reliable, readable, and maintainable than the language as a whole. Author Douglas Crockford, a member of JavaScript 2.0 committee at ECMA, is considered by many people in the development community to be the JavaScript expert. A beautiful, elegant, lightweight and highly expressive language lies buried under a steaming pile of good intentions and blunders, he explains. The very good ideas include functions, loose typing, dynamic objects, and an expressive object literal notation. Awful ideas include a programming model based on global variables. With JavaScript: The Good Parts, you can release this elegant programming language from its old shell, and create more maintainable, extensible, and efficient code.

Douglas Crockford is a Senior JavaScript Architect at Yahoo!, well known for introducing and maintaining the JSON (JavaScript Object Notation) format. He's a regular speaker at conferences on advanced JavaScript topics, and serves on the ECMAScript committee.

Preface	p. xi
Good Parts	p. 1
Why JavaScript?	p. 2
Analyzing JavaScript	p. 3
A Simple Testing Ground	p. 4
Grammar	p. 5
Whitespace	p. 5
Names	p. 6
Numbers	p. 7
Strings	p. 8
Statements	p. 10
Expressions	p. 15
Literals	p. 17
Functions	p. 19
Objects	p. 20
Object Literals	p. 20
Retrieval	p. 21
Update	p. 22
Reference	p. 22
Prototype	p. 22
Reflection	p. 23
Enumeration	p. 24
Delete	p. 24
Global Abatement	p. 25
Functions	p. 26
Function Objects	p. 26
Function Literal	p. 27
Invocation	p. 27
Arguments	p. 31
Return	p. 31
Exceptions	p. 32
Augmenting Types	p. 32
Recursion	p. 34
Scope	p. 36
Closure	p. 37
Callbacks	p. 40
Module	p. 40
Cascade	p. 42
Curry	p. 43
Memoization	p. 44
Inheritance	p. 46
Pseudoclassical	p. 47
Object Specifiers	p. 50
Prototypal	p. 50
Functional	p. 52
Parts	p. 55
Arrays	p. 58
Array Literals	p. 58
Length	p. 59
Delete	p. 60
Enumeration	p. 60
Confusion	p. 61
Methods	p. 62
Dimensions	p. 63
Regular Expressions	p. 65
An Example	p. 66
Construction	p. 70
Elements	p. 72
Methods	p. 78
Style	p. 94
Beautiful Features	p. 98
Awful Parts	p. 101
Bad Parts	p. 109
JSLint	p. 115
Syntax Diagrams	p. 125
JSON	p. 136
Index	p. 147
Table of Contents provided by Ingram. All Rights Reserved.

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Summary

Author Biography

Table of Contents

Supplemental Materials