IE started from VSarray.length: 5881len: 4678
Math.floor: 6537| 0: 4566
document not cached: 6452document cached: 2831
Fresh IE started outside of VSarray.length: 786len: 664
Math.floor: 869| 0: 714
document not cached: 3729document cached: 44
Summary: When doing something that needs JS performance, start a fresh IE and your code may run up to 100 times faster!