JavaScript Essentials

A comprehensive online book designed to provide web developers with everything they need to know to create rich, interactive and dynamic web pages using JavaScript.

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		About this book

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JavaScript Essentials - Table of Contents

About this Book
Intended Audience
The History of JavaScript
- Jim and Marc Meet in Palo Alto
- Moving on from Static Web Pages
- LiveScript, JavaScript, JScript, ECMAScript - What's in a Name?
A Simple JavaScript Example
Embedding JavaScript into Web pages
- The <script> element
- Where to place JavaScript in a Web Page
Introducing JavaScript Variables
- Variable Declaration and the Assignment Operator
- JavaScript Variable Naming Conventions
JavaScript Variable Types
- The JavaScript typeof Operator
JavaScript Operators
- Assignment Operators
- Arithmetic Operators
- Unary Operators - Incrementing and Decrementing Variable Values
- Comparison Operators
- String Operators
- Conditional Operators
- Logical Operators
Comments in JavaScript
- Single Line Comments
- Multi-line Comments
JavaScript Flow Control and Looping
- JavaScript Conditional Statements
- The JavaScript if Statement
- The JavaScript if ... else Statements
- JavaScript Looping Statements
- JavaScript for loops
- JavaScript while loops
- JavaScript do ... while loops
- JavaScript switch Statements
- Breaking a Loop
- label Statements
- Skipping Statements in Current Loop Iteration
Understanding JavaScript Functions
- Declaring and Calling a JavaScript Function
- Passing Arguments to a Function
- Returning a Value from a Function
- Where to Place Function Declarations
JavaScript Object Basics
- Creating a Custom JavaScript Object
- Creating and Using Object Instances
- Extending JavaScript Objects
JavaScript String Object
- Creating a JavaScript String Object
- JavaScript String Object Methods
- JavaScript String Object Properties
- JavaScript String Object Examples
- Getting the length of a String Object
- Setting String Object text Effects
- Performing Conversions on String Objects
- Manipulating Strings with the String Object
JavaScript Date Object
- Understanding System Time
- Creating a JavaScript Date Object
- Setting the Time and Date of the JavaScript Date Object
- Reading the Date and Time from a JavaScript Date Object
- UTC Time
- Finding the Time Zone Offset and Getting Local Time
JavaScript Math Object
- JavaScript Math Object Methods
- JavaScript Math Object Properties
- Using JavaScript Math Object and Properties
- Rounding and Truncating Numbers with the the Math Object
JavaScript Window Object
- Referencing the JavaScript window Object
- JavaScript window Object Properties
- Opening Browser Windows using JavaScript
- Closing Browser Windows using JavaScript
- Moving and Resizing Windows
- Changing Window Focus
- Displaying Message Box Dialogs
JavaScript Document Object
- What is the JavaScript Document Object?
- JavaScript Document Object Methods and Properties
- Using the JavaScript Document Object
- Writing text to a document
- Writing Text to a document in a different Window
- Changing the Document Title
- Changing the Document Colors
- Getting a List of Objects in a Document
JavaScript Location Object
- Loading a New URL into the Current Window
- Reading the URL of the Current Window
- Extracting Parts of the URL
- JavaScript Location Object Methods
JavaScript History Object
JavaScript Arrays
- What is a JavaScript Array
- How to Create a JavaScript Array
- Initializing the Elements of an Array
- Accessing the Elements of a JavaScript Array
- JavaScript Array Object Methods and Properties
- JavaScript Array Sorting
JavaScript Timeouts
- Setting up a JavaScript Timeout
- Cancelling a JavaScript Timeout
- Setting up JavaScript Timeout to Repeat
Building Forms with JavaScript
- The JavaScript Form Object
- Accessing Objects in a Form
- The JavaScript Text Object
- JavaScript TextArea Object
- The JavaScript Button Object
- JavaScript Check Boxes
- JavaScript Radio Buttons
- JavaScript Drop-down / Select Object
- Obtaining the Current Selection from the JavaScript Select Object
- JavaScript Password Object
Understanding JavaScript Cookies
- What is a JavaScript Cookie?
- The Structure of a Cookie
- Cookie Name / Value Pair
- Cookie Expiration Setting
- Cookie path Setting
- Cookie domain Setting
- Creating a Cookie
- Reading a Cookie
- Removing a Cookie
Understanding Cascading Style Sheets (CSS)
- What are Cascading Style Sheets for?
- Embedding CSS Styles into a Web Page
- Importing an External Style Sheet into a Web Page
- Creating CSS Rules
- Setting Styles for Individual Elements
- Setting Styles using the id Attribute of an HTML Element
- Using Classes with CSS Rules
JavaScript and CSS - Dynamic Styles and Layers
- Making Basic Dynamic Style Changes
- Hiding and Showing Content Using JavaScript
- Using Overlaying Layers
- Making Layers Move

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JavaScript Essentials

JavaScript Essentials - Table of Contents

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