(iterations = local var)

for (var q = iterations; q     ; q--) {		6.08ns
for (var q = 0; q<iterations; q++ ) {	3.22ns
for (       q = iterations; q>0; q--) {		3.05ns
for (var q = iterations; q>0; q--) {		2.84ns
for (var q = -iterations; (q<0); q++ )	2.84ns




------> arr: length = 100, arr[i]=""
arr.each(function(){});							36750ns
for(i in arr){}										~ 14000ns
for(var i=0; i<arr.length; i++){					411ns (arr global)			450ns (arr local)
for(var i=arr.length; i>0; i-- ){					300ns