Push vs length

JavaScript performance comparison

Revision 5 of this test case created

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Array population in javascript - push vs array.length

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Testing in unknown unknown
Test Ops/sec
length
var myArray = [];

for (var i = 0; i < 100000; i++) {
  myArray[myArray.length] = 'foo';
  myArray[myArray.length] = 'bar';
}
myArray.join("");
pending…
push
var myArray = [];

for (var i = 0; i < 100000; i++) {
  myArray.push('foo');
  myArray.push('bar');
}
myArray.join("");
pending…
append
var str = "";

for (var i = 0; i < 100000; i++) {
  str += 'foo';
  str += 'bar';
}
pending…

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