mustache.js/examples/view_partial.js

var partial_context = {
  greeting: function() {
    return "Welcome";
  },

  farewell: function() {
    return "Fair enough, right?";
  },

	partial: {
	  name: "Chris",
	  value: 10000,
	  taxed_value: function() {
	    return this.value - (this.value * 0.4);
	  },
	  in_ca: true
	}
};