One of the ways to learn a new language, or to brush up on parts you are not sure about, is to do Koans. Basically, you are given a broken bit of code and have to make it work, much like making unit tests pass.
I’ve recently been in love with LiveReload. When you edit a file in a directory, it will reload the HTML file automatically in the browser. No tabbing over and hitting reload or command-R.
Here’s my visual setup. My browser is on the left and my text editor is on the right.