template.js

var Template = function(opts) {
  this.name = opts.name;
};

Template.prototype.load = function(cb) {
  var self = this;
  cb = cb || function() {};
  var req = $.ajax({
    url: "/templates/" + this.name + ".handlebars"
  });
  req.fail(function() {
    throw("Could not load the template");
  });

  req.done(function(data) {
    cb.call(self, data);
  });
};