foreach vs for

Benchmark created by Test on

Preparation HTML

<script>
  var arr = [];
  for (var i = 0; i < 10000; i++) {
   arr[i] = i;
  }
  
  var answer = 0;
  var addFunc = function(a) {
   answer += a;
  };
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
for i
var length = arr.length;
for (var i = 0; i < length; i++) {
 addFunc(arr[i]);
}
ready
forEach
arr.forEach(function(v) {
 addFunc(v);
});
ready
forEach direct
arr.forEach(addFunc);
ready

Revisions

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