for with array lenght

JavaScript performance comparison

Revision 2 of this test case created

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Testing in unknown unknown
Test Ops/sec
normal
var a = [];
for (var i = 0; i < 100000; i++) {
  a.push(i);
}

var c = 0;
for (var j = 0; j < a.length; j++) {
  c++;
}
pending…
length outside
var a = [];
for (var i = 0; i < 100000; i++) {
  a.push(i);
}

var c = 0;
var l = a.length;
for (var j = 0; j < l; j++) {
  c++;
}
pending…

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