JavaScript Crash Course

INTRODUCTION

I vividly remember the first time I “wrote” JavaScript. I’d been messing around with web design and copy-pasted some code from another website to add some weird effects whenever the mouse hovered over certain parts of the page. I had no idea what the code was doing, but through trial and error I managed to get something working.

JavaScript is a very forgiving language—sometimes to a fault—and that made it a very gentle introduction to programming for me and countless others. So many people have chosen JavaScript as a first programming language because of how easy it is to get started: it’s right there waiting for you in your web ...