JavaScript is the most in-demand programming language for developer jobs and one of the most versatile languages for full-stack development. Here's what you need to know about JavaScript.

If/when I do, I'll add any comments they provide. In the interim, what do you think Microsoft could -- and should -- do around HTML5 dev tools, going forward?

Microsoft Technical Fellow Anders Hejlsberg is working on something to do with JavaScript tools. Here are a few clues about his latest project.