MeasureThat.net

Run results for: for (i < n) vs forEach vs for...of

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
Chrome 101
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
forloop 14728.8 Ops/sec
forEach 481663.1 Ops/sec
for...of 1380820.2 Ops/sec
Script Preparation code:
AخA
 
var arr = Array(1000);
Tests:

  • forloop

     
    for (let i = 0; i < 1000; i++) {
      arr[i];
    }

  • forEach

     
    arr.forEach(it => {
      it;
    });

  • for...of

     
    for (let it of arr) {
      it;
    }