Modulus vs If statement for value looping

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var pos = 0, length = 150;
};
</script>

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Testing in unknown unknown
Test Ops/sec
Using Modulus
pos = (pos+1)%length;
pending…
Using if statement
pos++;
if (pos == length) pos = 0;
pending…
Trying a shorter version
if(pos++ == length) pos = 0;
pending…

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