The Missing Credits .
　　Introduction
　　Part One: Getting Started with Java$cript
　　
　　Chapter 1: Writing Your First JavaScript Program
　　Introducing Programming
　　Whats a Computer Program?
　　How to Add JavaScript to a Page
　　External JavaScript Files
　　Your First JavaScript Program
　　Writing Text on a Web Page
　　Attaching an External JavaScript File
　　Tracking Down Errors
　　The Firefox JavaScript Console
　　Displaying the Internet Explorer Error Dialog Box
　　Accessing the Safari Error Console
　　
　　Chapter 2: The Grammar of JavaScript
　　Statements
　　Commands
　　Types of Data
　　Numbers
　　Strings
　　Booleans
　　Variables
　　Creating a Variable
　　Using Variables
　　Working with Data Types and Variables
　　Basic Math
　　The Order of Operations
　　Combining Strings
　　Combining Numbers and Strings
　　Changing the Values in Variables
　　Tutorial: Using Variables to Create Messages
　　Tutorial: Asking for Information
　　Arrays
　　Creating an Array
　　Accessing Items in an Array
　　Adding Items to an Array
　　Deleting Items from an Array
　　Adding and Deleting with splice()
　　Tutorial: Writing to a Web Page Using Arrays
　　Comments
　　When to Use Comments
　　Comments in this Book
　　
　　Chapter 3: Adding Logic and Control to Your Programs
　　Making Programs React Intelligently
　　Conditional Statement Basics
　　Adding a Backup Plan
　　Testing More Than One Condition
　　More Complex Conditions
　　Nesting Conditional Statements
　　Tips for Writing Conditional Statements
　　Tutorial: Using Conditional Statements
　　Handling Repetitive Tasks with Loops
　　While Loops
　　Loops and Arrays
　　For Loops
　　Do/While Loops
　　Functions: Turn Useful Code Into Reusable Commands
　　Mini-Tutorial
　　Giving Information to Your Functions
　　Retrieving Information from Functions
　　Keeping Variables from Colliding
　　Tutorial: A Simple Quiz
　　
　　Chapter 4: Working with Words， Numbers， and Dates
　　A Quick Object Lesson
　　Strings
　　Determining the Length of a String
　　Changing the Case of a String
　　Searching a String: indexOf() Technique
　　Extracting Part of a String with slice()
　　Finding Patterns in Strings
　　Creating and Using a Basic Regular Expression
　　Building a Regular Expression
　　Grouping Parts of a Pattern
　　Useful Regular Expressions
　　Matching a Pattern
　　Replacing Text
　　Trying Out Regular Expressions
　　Numbers
　　Changing a String to a Number
　　Testing for Numbers
　　Rounding Numbers
　　Formatting Currency Values
　　Creating a Random Number
　　Dates and Times
　　Getting the Month
　　Getting the Day of the Week
　　Getting the Time
　　Creating a Date Other Than Today
　　Tutorial
　　Overview
　　Writing the Function
　　
　　Chapter 5: Dynamically Modifying Web Pages
　　Modifying Web Pages: An Overview
　　Understanding the Document Object Model
　　Selecting a Page Element
　　Adding Content to a Page
　　The Moon Quiz Revisited
　　The Problem with the DOM
　　Introducing JavaScript Libraries
　　Getting Started with jQuery
　　Selecting Page Elements (Revisited)
　　Basic Selectors
　　Advanced Selectors
　　jQuery Filters
　　Understanding jQuery Selections
　　Adding Content to a Page
　　Replacing and Removing Selections
　　Setting and Reading Tag Attributes
　　Classes
　　Reading and Changing CSS Properties
　　Changing Multiple CSS Properties at Once
　　Reading， Setting， and Removing HTML Attributes
　　Creative Headlines
　　Acting on Each Element in a Seledion
　　Anonymous Functions
　　this and $(this)
　　……