parseInt vs. Number

JavaScript performance comparison

Revision 7 of this test case created by SomeDoe

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var a = "1",
        b = "2",
        c = "3000",
        d = 12345;
};
</script>

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Testing in unknown unknown
Test Ops/sec
parseInt
var aa = parseInt(a,10);
var bb = parseInt(b,10);
var cc = parseInt(c,10);
var dd = parseInt(d,10);
pending…
times 1
var aa = a*1;
var bb = b*1;
var cc = c*1;
var dd = d*1;
pending…

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