1. Getting to Know JavaScript

Overview

By the end of this chapter, you will be able to locate JavaScript elements along with other code elements in a web browser; identify different versions of JavaScript supported by various web browsers; construct simple JavaScript commands; discuss the range of modern approaches to JavaScript; describe JavaScript's capabilities and create an alert box popup in a web browser.

This chapter describes the foundational background of JavaScript so that we can move forward and achieve competency with this widely used programming language.