So, you ready to make the leap from writing HTML and CSS web pages to create dynamic web applications. It sounds like you're ready to learn the Web's hottest programming language:. JavaScript Head First JavaScript is your ticket to going beyond copying and pasting code from other people's websites, and write your own interactive web pages. With Head First JavaScript, you will learn: The basics of programming, from variables to types to looping How the web browser runs your code, and how you can talk to the browser with your code Why you'll never have to worry about casting, overloading, or polymorphism when you're writing JavaScript code How to use Document Object Model to change your web pages without making your users click buttons If you've ever read a Head First book, you know what to expect - a visually rich format designed for the way your brain works. It begins when the HTML and CSS leave off, and takes you through your first program into more complex programming concepts - like working directly with a web browser object model and write code that works on all modern browsers. Do not be intimidated if you have never written a line of code before!