Angular VS Knockout VS Ember VS React

JavaScript performance comparison

Revision 274 of this test case created by

Preparation code

<!-- Jquery -->
<script src="https://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="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.14/angular.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.$digest();
    };
    window.ANGpush = function(data){
      ang_scope.data.push(data + ang_scope.data.length);
      ang_scope.$digest();
    };
  });
</script>



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

<script src="http://knockoutjs.com/downloads/knockout-3.1.0.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="http://builds.handlebarsjs.com.s3.amazonaws.com/handlebars-v1.3.0.js"></script>
<script src="http://builds.emberjs.com/tags/v1.4.0/ember.min.js"></script>

<script>
  EMapp = Ember.Application.create({
    rootElement: $('#emapp')
  });
  EMapp.data = [];

  EMclear = function () {
    EMapp.data = [];
  };
  EMpush = function (data) {
    EMapp.data.push(data);
  };
</script>


<!-- React -->
<script src="http://fb.me/react-0.9.0.min.js"></script>
<div id="react">
  React: <span id="reactMountNode"></span>
  <script>
    var ReactComponent = React.createClass({displayName: 'PerfTest',
      getInitialState: function() {
        return { data: [] };
      },
      render: function() {
        var res = [];
        for(var i = 0; i < this.state.data.length; i++) {
          res.push(React.DOM.span({ key: 'test' + i }, this.state.data[i]));
        }
        return React.DOM.span(null, res);
      }
    });
    var reactComp = ReactComponent();
    React.renderComponent(reactComp, $('#reactMountNode')[0]);

    RClear = function() {
      reactComp.setState({data: []})
    };

    RPush = function(data) {
      var stateData = reactComp.state.data;
      stateData.push(data);
      reactComp.setState({data: stateData});
    }
  </script>
</div>

    

Preparation code output

<!-- Jquery --> <!-- Angular --> <div ng-app> Angular: <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/1.2.14/angular.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.data.length); 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://knockoutjs.com/downloads/knockout-3.1.0.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="http://builds.handlebarsjs.com.s3.amazonaws.com/handlebars-v1.3.0.js"></script> <script src="http://builds.emberjs.com/tags/v1.4.0/ember.min.js"></script> <script> EMapp = Ember.Application.create({ rootElement: $('#emapp') }); EMapp.data = []; EMclear = function () { EMapp.data = []; }; EMpush = function (data) { EMapp.data.push(data); }; </script> <!-- React --> <script src="http://fb.me/react-0.9.0.min.js"></script> <div id="react"> React: <span id="reactMountNode"></span> <script> var ReactComponent = React.createClass({displayName: 'PerfTest', getInitialState: function() { return { data: [] }; }, render: function() { var res = []; for(var i = 0; i < this.state.data.length; i++) { res.push(React.DOM.span({ key: 'test' + i }, this.state.data[i])); } return React.DOM.span(null, res); } }); var reactComp = ReactComponent(); React.renderComponent(reactComp, $('#reactMountNode')[0]); RClear = function() { reactComp.setState({data: []}) }; RPush = function(data) { var stateData = reactComp.state.data; stateData.push(data); reactComp.setState({data: stateData}); } </script> </div>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
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…
React 10
RClear();
for (var i = 0; i < 10; i++)
  RPush("ritem");
pending…
React 100
RClear();
for (var i = 0; i < 100; i++)
  RPush("ritem");
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.

0 Comments

Angular: {{item}}
Knockout:
Ember:
React: