Fast Array Foreach (v53)

Revision 53 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;
      }
    
      function each(arr, fn) {
          var i = 0, len = arr.length;
          while (i < len) {
              fn(arr[i], i);
              i++;
          }
      }

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
Each (rolling my own)
each(arr, function (item) {
    someFn(item);
});
ready

Revisions

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