We went on a walk a bit after sunset this Sunday. A down-but-not-out sun can create an intensely saturated dark blue in the sky. We were awed. The phone didn’t capture that exact blue, but it did get some good ones.
I know that DOM manipulation is expensive, but I’ve found it just doesn’t make a difference in a typical web app. (And of course, DOM manipulation can rarely be avoided entirely in graphically-oriented apps; it’s a matter of reducing the amount of DOM-touching that happens in those cases.) Recently, I ran into a case in which it did matter,
removeChild in particular.