JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://raw.github.com/wycats/handlebars.js/1.0.0-rc.3/dist/handlebars.js"></script>
<script src="https://raw.github.com/emberjs/ember.js/release-builds/ember-1.0.0-rc.1.js"></script>
<script type="text/x-handlebars" data-template-name="index">
    {{#view App.SampleView}} 
        test - {{view.sampleProperty}}
    {{/view}}
</script>

CSS

ul { padding: 15px; font-size: 1.4em; color: green; }

JavaScript

App = Ember.Application.create({});

App.IndexRoute = Ember.Route.extend({});


App.SampleView = Ember.View.create({

    sampleProperty : "a",
    didInsertElement : function(){
        this._super();
        this.set("sampleProperty", "b");        
    }
});