++ vs +=1 vs a=a+1

JavaScript performance comparison

Revision 5 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var a = 42, b = 42, c = 42, d = 42;
};
</script>

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Testing in unknown unknown
Test Ops/sec
a++
a++;
pending…
++b
++b;
pending…
c += 1
c += 1;
pending…
d = d + 1
d = d + 1;
pending…

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