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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Ember Starter Kit</title>
  <link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/normalize/2.1.0/normalize.css">
  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
  <script src="http://builds.handlebarsjs.com.s3.amazonaws.com/handlebars-v1.3.0.js"></script>
  <script src="http://builds.emberjs.com/tags/v1.7.0/ember.js"></script>
</head>
<body>
  <script type="text/x-handlebars">
    <h2>Welcome to Ember.js</h2>
    {{outlet}}
  </script>
  <script type="text/x-handlebars" data-template-name="index">
    {{test-bindings classNames="hb-one hb-two hb-three"}}
  </script>
  
  <script type="text/x-handlebars" data-template-name='components/test-bindings'>
    Component's css classes: {{classes}}
  </script>
</body>
</html>
 
App = Em.Application.create();
App.TestBindingsComponent = Em.Component.extend({
  classNames: ['one','two','three'],
  
  extraClasses: function() {
    return ['extra-one', 'extra-two', 'extra-three'].join(' ');
  }.property(),
  
  classNameBindings: ['extraClasses'],
  
  classes: function () {
    return this.get('classNames').join(' ');
  }.property()
});
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