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Testing speed of a standard for loop vs. Array.indexOf.
<script>
var ar = [
'asset!0',
'asset!11',
'asset!15',
'asset!16',
'asset!20',
'asset!21',
'asset!22',
'asset!28',
'asset!4',
'asset!7'];
</script>
Array.prototype.indexOf2 = function (x) {
for (i = 0; i < this.length; i++) {
if (this[i] == x) return true;
return false;
}
};
Ready to run.
Test | Ops/sec | |
---|---|---|
For loop |
| ready |
while |
| ready |
indexOf |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.