Fast Array Foreach (v42)

Revision 42 of this benchmark created on


Setup

// Populate the base array
      var arr = [];
      for (var i = 0; i < 100000; i++) {
        arr[i] = i;
      }
    
      function someFn(i) {
        return i * 3 * 8;
      }
    
     function someFnForEach(x,i,arr) {
        return x * 3 * 8;
      }

Test runner

Ready to run.

Testing in
TestOps/sec
Array.ForEach
arr.forEach(someFnForEach)
ready
For
for (var i = 0, len = arr.length; i < len; i++) {
  someFn(arr[i]);
}
ready
Array.ForEach old
arr.forEach(function(item) {
  someFn(item);
});
ready
For 2
for (var i = arr.length; i--;) {
  someFn(arr[i]);
}
ready

Revisions

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