Fast Array Foreach (v142)

Revision 142 of this benchmark created by belikemike 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
for (var i = 0, len = arr.length; i < len; i++) {
  someFn(arr[i]);
}
ready
doEach
var len;
    len = this.length-1;
do {
  someFn(arr[len]);
  len--;
} while (len>=0);
ready

Revisions

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