Maybe you have heard about JSLint, or maybe not. If you haven't yet, it is a popular JavaScript tool authored by Douglas Crockford, which helps you optimize your JavaScript code by telling you the problem areas and suggesting solutions for the same. Quite a nifty tool, try it here. Despite it's usefulness, the JSLint as we know it, has a little problem: it is an online tool, hosted on Crockford's server. Wouldn't it be wonderful if JSLint were a command ...