Angular VS Knockout VS Ember VS Backbone

JavaScript performance comparison

Revision 314 of this test case created

Info

Comparison between Angular, Knockout and Ember. Updated Backbone to use a collection, in order to be more fair. Also with comparison of optimization during object creation.

Preparation code

<!-- Jquery -->
<script src="//cdn.jsdelivr.net/jquery/2.1.0/jquery.min.js"></script>

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


<script src="//cdn.jsdelivr.net/angularjs/1.2.15/angular.min.js"></script>

<script>
  window.Ctrl = function($scope){
    $scope.items = [];
    $scope.clear = function() {
        $scope.items = [];
    };
    $scope.push = function(item) {
        $scope.items.push(item);
    };
  }
  angular.module('ANGAPP', []).controller('Ctrl', function($scope) {
          window.ANGAPP = {
                  scope: $scope,
                  clear: $scope.clear(),
                  push: $scope.push()
          }
  });

</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>

<!--Backbone-->
<script src="//underscorejs.org/underscore.js"></script>
<script src="//backbonejs.org/backbone.js"></script>

<div id="backboneapp">
  <h3>Backbone</h3>
  <span class="backbone-items"></span>
</div>

<script>
var backboneCollection = new Backbone.Collection([]);
var backboneView = Backbone.View.extend({
  initialize: function() {
    this.listenTo(this.model, 'change', this.render)
  },
  render: function() {
    this.$el.html(this.model.models)
  },
  push: function(i) {
    this.model.push(i);
  },
  clear: function() {
    this.model.reset([]);
  }

});

window.BB = new backboneView({model: backboneCollection, el: "#backboneapp .backbone-items"});
</script>

Preparation code output

Angular:

{{item}}

Knockout:

Ember:

Backbone

Test runner

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Testing in unknown unknown
Test Ops/sec
Angular 100
ANGAPP.clear();
for (var i = 0; i < 50; 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)
Ember.run(function() {
  EMclear();
  for (var i = 0; i < 100; i++) {
    EMpush(i);
  }
});
pending…
Ember 100 (reset mod)
Ember.run(function() {
  EMreset();
  for (var i = 0; i < 100; i++) {
    EMpush(i);
  }
});
pending…
Backbone
BB.clear();
for (var i = 0; i < 50; i++) {
  BB.push(i);
}
pending…

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