Forward vs Backward For Loops

JavaScript performance comparison

Revision 2 of this test case created

Info

Testing the difference in execution time of incremented vs decremented counters in for loops

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Forward
for (var i = 0; i < 1000; i++)
{
    $.noop(); // Do nothing
}
pending…
Backward
for (var i = 1000; i > 0; i--)
{
    $.noop(); // Do nothing
}
pending…
Backwards optim
for (var i = 1000; i; i--)
{
    $.noop(); // Do nothing
}
pending…

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