Empty array

JavaScript performance comparison

Revision 2 of this test case created by Simon

Preparation code

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

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Testing in unknown unknown
Test Ops/sec
length
arr.length = 0;
for(var i=0; i<1000; i++) arr.push({a: 1, b: "2"});
pending…
arr = null
arr = [];
for(var i=0; i<1000; i++) arr.push({a: 1, b: "2"});
pending…
delete arr
delete arr;
arr = [];
for(var i=0; i<1000; i++) arr.push({a: 1, b: "2"});
pending…
arr = []
arr = null;
arr = [];
for(var i=0; i<1000; i++) arr.push({a: 1, b: "2"});
pending…

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