backbone.events.extensions.js

(function(slice) {
  var proxy = function(source, eventName) {
    var _self = this;
    source.on(eventName, function(evt) {
      _self.trigger.apply(_self, slice.call(arguments).splice(0, 1, eventName));
    });
  };

  Backbone.View.prototype.proxyEvent = 
  Backbone.Model.prototype.proxyEvent = 
  Backbone.Collection.prototype.proxyEvent =
  Backbone.Router.prototype.proxyEvent = proxy;

  var forward = function(target, eventName) {
    this.on(eventName, function(evt) {
      target.trigger.apply(target, slice.call(arguments).splice(0, 1, eventName));
    });
  };

  Backbone.View.prototype.forwardEvent =
  Backbone.Model.prototype.forwardEvent =
  Backbone.Collection.prototype.forwardEvent =
  Backbone.Router.prototype.forwardEvent = forward;

})([].slice);