Math.Floor vs ~~ vs parseInt

JavaScript performance comparison

Revision 6 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var pi = 3.14;
};
</script>

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Test Ops/sec
Math.floor
var final = Math.floor(pi);
pending…
~~
var final = ~~pi;
pending…
parseInt
var final = parseInt(pi);
pending…
or
var final = pi | 0;
pending…
>>
var final = pi >> 0;
pending…
<<
var final = pi << 0;
pending…

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