Browser Diet - Cache Array Length

JavaScript performance comparison

Revision 5 of this test case created

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Test Ops/sec
Without cache
var arr = new Array(1000);

for (var i = 0; i < arr.length; i++) {
  // do something
}
pending…
With cache
var arr = new Array(1000);

for (var i = 0; len = arr.length; i < len; i++) {
  // do something
}
pending…

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