Backbone - view defaults

HTML

<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.1.7/underscore-min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/0.5.3/backbone-min.js"></script>

JavaScript

var ViewDefaultsDemo = Backbone.View.extend({
  options: {
     display: 'list'
  },

  render: function() {
    console.log(this.options.display)
  }

})
    
var demo = new ViewDefaultsDemo();
demo.render();


var demo2 = new ViewDefaultsDemo({display: 'details'});
demo2.render();