< 0 vs & 0x80000000

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var a = -234627836;
    var b = 234627836;
};
</script>

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Testing in unknown unknown
Test Ops/sec
< 0 true
if(a < 0){}
pending…
< 0 false
if(b < 0){}
pending…
& 0x80000000 true
if(a & 0x80000000){}
pending…
& 0x80000000 false
if(b & 0x80000000){}
pending…

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