Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 Edg/133.0.0.0
Chrome 133
Windows
Desktop
15 days ago
Test name Executions per second
for 38261.8 Ops/sec
foreach 39613.3 Ops/sec
for..of 40196.6 Ops/sec
for..of over entries 37606.1 Ops/sec
Script Preparation code:
AخA
 
var array = Array.from({length: 100});
var t;
Tests:
  • for

     
    for (let i = 0; i < array.length; i++) {
      t = array[i];
    }
  • foreach

     
    array.forEach(function(v, i) {
      t = v;
    });
  • for..of

     
    for (var v of array) {
      t = v;
    }
  • for..of over entries

     
    for (var [i, v] of array.entries()) {
      t = v;
    }