Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36
Chrome 117
Linux
Desktop
one year ago
Test name Executions per second
for 122446.9 Ops/sec
forEach 6601690.0 Ops/sec
for..of 202485.5 Ops/sec
for..in 4538192.0 Ops/sec
Script Preparation code:
AخA
 
var array = new Array(100);
Tests:
  • for

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

     
    array.forEach(function(i) {
      array[i];
    });
  • for..of

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

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