const func vs var

JavaScript performance comparison

Test case created by DS

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var x1 = 500;
   
    var x2 = function() { return 500; };
};
</script>

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Testing in unknown unknown
Test Ops/sec
Use var
Math.random() * x1;
pending…
Use const func
Math.random() * x2();
pending…

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