"For science!"

Related: http://xkcd.com/54/

maybe if you build urls to images that are hard to parse with the eye as text only

Or if you're doing some sort of multi-stage manipulation of a <canvas>, you could log out intermediate states.

It's a stretch, I know.

Or he's just trying to make Chrome behave more like the Lisp Machines.

Actually, if you could port that to Node.js, and call Node from the shell...