length vs vr

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var t = new Array(10000);
    var i;
};
</script>

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Testing in unknown unknown
Test Ops/sec
length
for (i = 0; i < t.length; i++) {}
pending…
var
var l = t.length;

for (i = 0; i < l; i++) {}
pending…

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