Get last item from array

JavaScript performance comparison

Revision 14 of this test case created by Joshua

Preparation code

<script>
Array.prototype.last = function() {
  return this[this.length-1];
};
var array = [1,2,3,5,4,6,85,2,5,7,4,4,4,234,23];
</script>

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Testing in unknown unknown
Test Ops/sec
array[array.length - 1]
array[array.length - 1];
pending…
array.slice(-1)[0];
array.slice(-1)[0];
pending…
array.slice().pop();
array.slice().pop();
pending…
[].concat(array).pop();
[].concat(array).pop();
pending…
array.last();
array.last();
pending…

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