Cached Math object

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var min = Math.min;
    var max = Math.max;
   
    function confineCached(value, low, hi) {
        return min(hi, max(value, low));
    }
   
    function confine(value, min, max) {
        return Math.min(max, Math.max(value, min));
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
Uncached
confineCached(150, 0, 100);
pending…
Cached
confine(150, 0, 100);
pending…

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