JavaScript Introduction

Duration: 2 days


If you are new to JavaScript, or an experienced web developer looking to improve your skills, This JavaScript Introduction provides you with complete, no-nonsense coverage of this quirky yet essential language for web development. You will learn everything from primitive data types to complex features, including JavaScript elements involved with Ajax and dynamic page effects. By the end of this course, you will be able to work with even the most sophisticated libraries and web applications.

Complete with hands on practices and examples of JavaScript use, JavaScript Introduction will show you how to integrate the language with the browser environment, and how to practice proper coding techniques for standards-compliant websites.


An understanding of basic HTML is required, or attendance of our HTML introduction course. This course is also useful to users of Dreamweaver, Expression Web or SharePoint Designer.


1 – Introduction and First Looks

Twisted History: Specs and Implementations

Cross-Browser Incompatibility

Common JavaScript Myths

What You Can Do with JavaScript

First Look at JavaScript

The JavaScript Sandbox

Accessibility and JavaScript Best Practices

2 – JavaScript Data Types and Variables

Identifying Variables


Simple Types

Constants: Named but Not Variables

3 – Operators and Statements

Format of a JavaScript Statement

Simple Statements

Conditional Statements and Program Flow

The Conditional Operators

The Logical Operators

Advanced Statements: The Loops

4 – The JavaScript Objects

The Object Constructor

The Number Object

The String Object

Regular Expressions and RegExp

Purposeful Objects: Date and Math

JavaScript Arrays

Associative Arrays

5 – Functions

Defining a Function

Callback Functions

Functions and Recursion

Nested Functions

Function As Object

6 – Catching Events

The Event Handler

7 – Forms and JIT Validation

Accessing the Form

Attaching Events to Forms: Different Approaches


Radio Buttons and Checkboxes

Input Fields and JIT Regular Expressions

8 – The Sandbox and Beyond

The Sandbox

All About Cookies

Alternative Storage Techniques

Cross-Site Scripting (XSS)

The Basic Browser Objects

BOM at a Glance

The window Object

Frames and Location

history, screen, and navigator

The all Collection

Inner/Outer HTML and Text

9 – The Document Object Model

A Tale of Two Interfaces

The DOM and Compliant Browsers


Understanding the DOM

The DOM Core Document Object

Element and Access in Context

Modifying the Tree

10 – Creating Custom JavaScript Objects

The JavaScript Object and Prototyping

Creating Your Own Custom JavaScript Objects

Object Detection, Encapsulation, and Cross-Browser Objects

Chaining Constructors and JS Inheritance

One-Off Objects

Advanced Error-Handling Techniques

11 – Building Dynamic Web Pages

JavaScript, CSS, and DOM

Fonts and Text

Position and Movement

Size and Clipping

Display, Visibility, and Opacity

12 – Moving Outside the Page with Ajax

How Ajax Works

Hello Ajax World!

The Ajax Object

Working with XML