Fast Array Foreach (v222)

Revision 222 of this benchmark created on

Setup

// Populate the base array
      var arr = [];
      for (var i = 0; i < 1000; i++) {
        arr[i] = i;
      }
    
      function someFn(i) {
        return i * 3 * 8;
      }

Test runner

Ready to run.

Testing in
TestOps/sec
Array.ForEach
arr.forEach(function (item){
  someFn(item);
})
ready
For increase
for (var i = 0, len = arr.length; i < len; i++) {
  someFn(arr[i]);
}
ready
For decrease
for (var i = arr.length; i--;) {
  someFn(arr[i]);
}
ready
For decrease, with var
var len = arr.length;
for (var i = len; i--;) {
  someFn(arr[i]);
}
ready
While decrease
var i = arr.length;
while (i--) {
   someFn(arr[i]);
}
ready

Revisions

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