Array .concat() vs. .push()

JavaScript performance comparison

Revision 36 of this test case created by

Preparation code

var loops = 1000
var arr = []
for(var i = 0; i < loops; i++) {
	arr.push({key:{key:{key:'value', alt:'othervalue'},alt:{}},alt:i})
Benchmark.prototype.setup = function() {
  a1 = arr.slice()
  a2 = arr.slice()


Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec


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