If you’ve done any web development before, you’ve probably had to work with JavaScript. It’s the secret sauce that makes the web come alive and has in recent years gone from a language that was looked down upon as 3rd rate to one that is taking the web by storm. With AJAX and JQuery the key pieces of interactive web design, and users becoming more performance-demanding every day, it’s important to know how to tune your site for speed and efficiency. Luckily, Nokia (yes, the old school cell phone company!) has a great cheat sheet to help prune JavaScript and make your code scream.
