Mousetrap is a simple and small (1.5kb) library for handling keyboard shortcuts without the use of jQuery and works in IE 6+, Safari, Firefox, Chrome and possibly Opera (so we’ve heard).

You can build many useful web apps with just a few files. You can also extend this simple notes app to add more functionality ...

JavaScript’s reduce is one of the most useful array methods that should be in a developer’s arsenal. Introduced in ES5, it’s somewhat similar to for…each and map methods that are used with ...