NodeList To Array (v10)

Revision 10 of this benchmark created by Just another JS hacker on

Description

http://stackoverflow.com/questions/3199588/fastest-way-to-convert-javascript-nodelist-to-array

Preparation HTML

<div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
<script>
  var nl = document.getElementsByTagName('*');
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
Array.prototype.slice.call
var arr = Array.prototype.slice.call(nl);
ready
push
var arr = [];
for (var i = 0, n; n = nl[i]; ++i) arr.push(n);
ready
single for
var l = []; // Will hold the array of Node's
for (var i = 0, ll = nl.length; i != ll; l.push(nl[i++]));
ready
count back
var arr = [];
for (var i = nl.length; i--; arr.unshift(nl[i]));
ready
set length first
var arr = [];
for (var i = 0, ref = arr.length = nl.length; i < ref; i++) {
 arr[i] = nl[i];
}
ready
set length first with Array constructor
var ref = nl.length, arr = new Array(ref);
for (var i = 0; i < ref; i++) {
 arr[i] = nl[i];
}
ready

Revisions

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