Script Preparation code:
AخA
 
var array = Array.from({length: 10}, (_, index) => index);
Tests:
  • for

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

     
    var sum = 0
    array.forEach(function(item) {
      sum += item;
    });
  • for-of

     
    var sum = 0
    for (var item of array) {
      sum += item;
    }
  • for-reverse

     
    var sum = 0
    for (var i = array.length; i--;) {
      sum += array[i];
    }
  • for with cached length

     
    var sum = 0
    for (var i = 0, len = array.length; i < len; i++) {
      sum += array[i];
    }
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    for
    forEach
    for-of
    for-reverse
    for with cached length

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.175 Safari/537.36
Chrome 96 on Windows
View result in a separate tab
Test name Executions per second
for 275678.3 Ops/sec
forEach 3758591.5 Ops/sec
for-of 4447812.0 Ops/sec
for-reverse 498733.1 Ops/sec
for with cached length 429572.0 Ops/sec