MeasureThat.net

Run results for: for vs foreach vs some vs for..of test 2

Compare loop performance

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36
Chrome 109
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
for 270285.9 Ops/sec
for..of 231373.0 Ops/sec
for..in 5787572.5 Ops/sec
Script Preparation code:
AخA
 
var array = new Array(100);
Tests:

  • for

     
    for (var i = 0, n = array.length; i < n; i++) {
      array[i];
    }

  • for..of

     
    for (var i of array) {
      array[i];
    }

  • for..in

     
    for (var i in array) {
      array[i];
    }