ded/bonzo — pull request #56 by Calvein (2011-12-07 19:01:23+00:00)
Title: Use classList if the browser support it

It's way faster : http://jsperf.com/classlist-vs-bonzo

I first pull request to the brand new `vanilla-masonry` repo by David DeSandro (https://github.com/desandro/vanilla-masonry/pull/3)