Angular VS Knockout VS Ember

JavaScript performance comparison

Revision 82 of this test case created

Info

I saw an unfair comparison between Angular, Knockout, ExtJS, and Backbone, and it made me mad. So I created this one.

Preparation code

<!-- Jquery -->
<script src="http://code.jquery.com/jquery-1.7.2.min.js"></script>

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

<script src="http://code.angularjs.org/angular-1.0.1.min.js"></script>

<script>
  var Ctrl = function($scope){
    $scope.data = [];
  }
  
  angular.element(document).ready(function() {
    var ang_scope = $('#angList').scope();
    
    window.ANGclear = function(){
      ang_scope.data.splice(0, ang_scope.data.length);
      ang_scope.$digest();
    };
    window.ANGpush = function(data){
      ang_scope.data.push(data);
      ang_scope.$digest();
    };
  });
</script> 



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

<script src="http://cdnjs.cloudflare.com/ajax/libs/knockout/2.0.0/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);
  };
</script>


<!-- Ember -->

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

<script>
  var ENV = {EXTEND_PROTOTYPES: false};
</script>
<script src="https://raw.github.com/wycats/handlebars.js/1.0.rc.2/dist/handlebars.js"></script>

<script src="https://raw.github.com/emberjs/ember.js/release-builds/ember-1.0.0-pre.4.min.js"></script>

<script>
  var EMapp = Ember.Application.create({
    rootElement: $('#emapp')
  });
  EMapp.data = Ember.A();
  
  var EMclear = function () {
    EMapp.data = Ember.A()
  };
  var EMpush = function (data) {
    EMapp.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 10
 
ANGclear();
for (var i = 0; i < 10; i++)
  ANGpush("ngitem");
 pending…
Knockout 10
 
KOclear();
for (var i = 0; i < 10; i++)
  KOpush("koitem");
 pending…
Ember 10
 
EMclear();
for (var i = 0; i < 10; i++)
  EMpush("emitem");
 pending…
Angular 100
 
ANGclear();
for (var i = 0; i < 100; i++)
  ANGpush("ngitem");
 pending…
Knockout 100
 
KOclear();
for (var i = 0; i < 100; i++)
  KOpush("koitem");
 pending…
Ember 100
 
EMclear();
for (var i = 0; i < 100; i++)
  EMpush("emitem");
 pending…

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