Angular VS Knockout VS Ember

JavaScript performance comparison

Revision 162 of this test case created

Info

Comparison between Angular, Knockout and Ember. Also with comparison of optimization during object creation.

Preparation code

<!-- Jquery -->
<script src="http://code.jquery.com/jquery-1.10.2.min.js"></script>

<!-- Angular -->
<div ng-app>
  <p>Angular:</p>
  <span ng-controller="Ctrl" id="angList"><span ng-repeat="item in data">{{item}}</span></span>
</div>

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script>

<script>
  var Ctrl = function($scope){
    $scope.data = [];
  }
  angular.element(document).ready(function() {
    window.ANGAPP = {
      scope: $('#angList').scope(),
      push: function(data){
        this.scope.data.push(data);
      },
      clear: function(){
        this.scope.data = [];
        this.scope.$digest();
      }
    };
  });
</script>

<!-- Knockout -->
<div id="koapp">
  <p>Knockout:</p>
  <span data-bind="foreach: data"><span data-bind="text: $data"></span></span>
</div>

<script src="http://cdnjs.cloudflare.com/ajax/libs/knockout/2.3.0/knockout-min.js"></script>

<script>
  var KOData = ko.observableArray();
  var KOviewmodel = {data: KOData};
 
  ko.applyBindings(KOviewmodel, document.getElementById('koapp'));
  var KOclear = function (){
    KOData.splice(0, KOData().length);
  };
  var KOpush = function (data){
    KOData.push(data);
  };
  var KOunwrap = function(value){
    // Source: http://jsperf.com/ko-unwrapobservable/2
    return ('function'===typeof(value)) ? value(): value;
  };
</script>

<!-- Ember -->
<div id="emapp">
  <p>Ember:</p>
  <script type="text/x-handlebars">
    <span>
      {{#each EMapp.data}}<span>{{this}}</span>{{/each}}
    </span>
  </script>
</div>

<script src="http://builds.emberjs.com/handlebars-1.0.0-rc.4.js"></script>
<script src="http://builds.emberjs.com.s3.amazonaws.com/ember-1.0.0-rc.6.min.js"></script>

<script>
  EMapp = Ember.Application.create({
    rootElement: $('#emapp')
  });
  EMapp.data = Ember.A();
 
  EMclear = function () {
    EMapp.get('data').clear();
  };
  EMreset = function () {
    EMapp.set('data', Ember.A());
  };
  EMpush = function (data) {
    EMapp.get('data').pushObject(data);
  };
</script>

Preparation code output

Angular:

{{item}}

Knockout:

Ember:

Test runner

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Testing in unknown unknown
Test Ops/sec
Angular 100
ANGAPP.clear();
for (var i = 0; i < 100; i++)
  ANGAPP.push(i);
  ANGAPP.scope.$digest();
pending…
Angular 100 (mod)
ANGAPP.clear();
for (var i = 0; i < 100; i++)
  ANGAPP.push(i);
ANGAPP.scope.$digest();
pending…
Knockout 100
KOclear();
for (var i = 0; i < 100; i++)
  KOpush(i);
pending…
Knockout 100 (mod)
KOclear();
var list = ko.utils.unwrapObservable(KOData);
for (var i = 0; i < 100; i++)
  list.push(i);
KOData.valueHasMutated();
pending…
Knockout 100 (unwrap mod)
KOclear();
var list = KOunwrap(KOData);
for (var i = 0; i < 100; i++)
  list.push(i);
KOData.valueHasMutated();
pending…
Ember 100
EMclear();
for (var i = 0; i < 100; i++) {
  EMpush(i);
}
pending…
Ember 100 (mod)
EMclear();
Ember.beginPropertyChanges();
for (var i = 0; i < 100; i++) {
  EMpush(i);
}
Ember.endPropertyChanges();
pending…
Ember 100 (reset mod)
EMreset();
Ember.beginPropertyChanges();
for (var i = 0; i < 100; i++) {
  EMpush(i);
}
Ember.endPropertyChanges();
pending…

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