Datasheet

Part I: Programming with JavaScript

Figure 1-5:

The Show

Code but-

ton pulls

code from

another file

and shows it

on-screen.

Click to see the code from another file.

I’ve added plenty of comments in the code to help you see what’s going on,

but it’s okay if you don’t have all the intricacies nailed down yet. Think of this

as a preview of things you’ll get to do in this book.

Getting Started

Making your pages do all this stuff looks like fun, and it is. There’s a lot to get

under your belt, but don’t panic; I take you through everything. The first step

is to review the core technologies that JavaScript and AJAX are based on, and

see how they’re related to some other (more advanced) technologies you’ll

eventually need.

Overview of the Core Technologies

Powerful as they are, JavaScript and AJAX do not stand on their own. They

only have meaning in the context of Web pages, so they rely on various Web

technologies. If you want to build a JavaScript application, you’ll need several

other technologies, too:

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