arrays

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    Array.prototype.push2 = function(item) {
      this[this.length++] = item;
    };
    var array = [];
    var array2 = [];
    var array3 = [];
    function push(array, item) {
       array[array.length+1] = item;
       array.length+=1;
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
native
array.push('hi');
pending…
not
array.push2('hi');
pending…
not prototyped
push(array3, 'hi');
pending…

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