2. If you can't read code well, how the hell are you going to be able to write code well? Too many programmers are terrible at reading code and that correlates

2. If you can't read code well, how the hell are you going to be able to write code well? Too many programmers are terrible at reading code and that correlates IMHO with being terrible at writing it. If you're planning on being an author, it's useful to first be able to read, and to read loads. That's how you learn. The interview question is a simple rookie js question that basically asks "Do you know javascript to any degree".