jdalton/bean — comment on commit 9772c5c6451c7014d9dd6e5ccfa7f2919da0ff51
File: tests/benchmark.html line 80
By jdalton:

The 100 event handlers will be removed on the first call to `been.remove( element, 'click' )` so it's probably not testing what you want.
Adding a lot of elements will kill the memory. I will look into how to better benchmark this.