1.2. Web Programming Crash Course

The three main technologies we will use to build web apps are HTML, CSS, and JavaScript. We’ll quickly cover each to make sure we’re all on the same page before plowing into the fancy stuff.

1.2.1. Introduction to HTML

When you are browsing the web, the pages you are viewing are just text documents sitting on someone else’s computer. The text in a typical web page is wrapped in HTML tags, which tell your browser about the structure of the document. With this information, the browser can decide how to display the information in a way that makes sense.