Angular VS Knockout VS Backbone

JavaScript performance comparison

Test case created by Jeroen en Nigel

Info

Test for MTO ISDT3I

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>

<!--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:

Backbone

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…
Knockout 100
KOclear();
for (var i = 0; i < 100; i++)
  KOpush(i);
pending…
Backbone 100
backboneCollection.reset();
for (var i = 0; i < 100; i++) {
  backboneCollection.push(i);
}
window.BB.render()
pending…

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Revisions

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1 comment

Jared commented :

Correct me if I'm wrong, but both AngularJS and KnockoutJS are utilizing two-way data binding. Backbone is only doing a one way bind and thus, less work. This is an apples to oranges test.

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