floor vs custom floor

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    window.myFloor = function(val){
        var ret = val | 0;
        return ((val < 0 && val !== ret) ? (ret - 1) : ret);
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
floor
Math.floor(3.14159);
pending…
myFloor
myFloor(3.14159);
pending…

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