Array.push vs array[i]

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var arr = [], i = 0;
};
</script>

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Testing in unknown unknown
Test Ops/sec
Array.push
arr.push(123);
pending…
Array.indexing
arr[i] = 123;
++i;
pending…

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