AngularJS forEach vs Native forEach

JavaScript performance comparison

Revision 8 of this test case created

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.1.5/angular.min.js">
</script>
<script>
  var len = 1000;
  var arr = new Array();
  while (len--) {
    arr[len] = len;
  }

  function setArr(item) {
    item = item;
  }
</script>

Preparation code output

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
Native forEach
arr.forEach(function(item) {});
pending…
AngularJS forEach
angular.forEach(arr, function(item) {
  arr[item];
});
pending…
for key in arr
for (var key in arr) {
  arr[key];
}
pending…
for(i)
for (i = 0, len = arr.length; i < len; i++) {
  arr[i];
}
pending…
for function
for (i = 0, len = arr.length; i < len; i++) {
  setArr(arr[i]);
}
pending…
for function 2
for (i = 0, len = arr.length; i < len; i++) {
  setArr.call(arr, arr[i]);
}
pending…

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

0 comments

Add a comment