Forward vs Backward For Loops

JavaScript performance comparison

Test case created by Neil Craig

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…

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