array push vs unshift

JavaScript performance comparison

Test case created by Steven

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var arrA=[],arrB=[];
    var eleA='a',eleB='b';
};
</script>

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Testing in unknown unknown
Test Ops/sec
push
arrA.push(eleA)
pending…
unshift(98% slower)
arrB.unshift(eleB)
pending…

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