Java Reference
In-Depth Information
Chapter
1
Hello JavaScript
Now it's time to start learning JavaScript. In this chapter, we're going to introduce the lan-
guage, as well as set up a programming environment. We'll also write our first programs in
JavaScript.
Here's what this chapter will cover:
• programming
• the history of JavaScript
• the tools that are needed to program in JavaScript
• Hello, World!―your first JavaScript program
• JavaScript in the console
• JavaScript in the web browser
• another more complicated JavaScript program
