Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 10_1 like Mac OS X) AppleWebKit/602.1.32 (KHTML, like Gecko) Mobile/14B55c Twitter for iPhone
Mobile Safari 10
iOS 10.1
iPhone
8 years ago
Test name Executions per second
for 12447.3 Ops/sec
foreach 80399.3 Ops/sec
some 71467.4 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(item, index) {
      array[i];
    });
  • some

     
    array.some(function(item, index) {
      array[i];
    });