copy array slice-vs-concat

JavaScript performance comparison

Revision 4 of this test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
      
<script>
Benchmark.prototype.setup = function() {
  var a = [];
  for (var i = 0; i < 10000; i++) a.push('550e8400-e29b-41d4-a716-446655440000');
  

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
concat
var b = [].concat(a);
pending…
json
var b = JSON.parse(JSON.stringify(a));
pending…
slice
var b = a.slice(0);
pending…
extend
var b = $.extend({}, a);
pending…

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