Binding functions.

binder.js

var Binder = exports.Binder = function () {
  this._funcs = [];
};

Binder.prototype.bind = function (func) {
  var args = Array.prototype.slice.call(arguments, 1),
      trg  = this._trigger;

  this._funcs.unshift(function (next) {
    func.apply(func.prototype.constructor, args.concat([next]));
  });

  return this;
};

Binder.prototype.trigger = function (num) {
  var len = num === undefined ? this._funcs.length - 1 : num >= 0 ? num : -1;
  len >= 0 && this._funcs[len](this.trigger.bind(this, len - 1));
};

test_binder.js

var binder = new require('./binder').Binder;

binder.bind(f1, 'm1')
      .bind(f2, 'm2')
      .bind(f3, 'm3')
      .trigger();

// As a result:
// f1: m1
// f2: m2
// f3: m3

function f1(m) { log('f1: ' + m); }
function f2(m) { log('f2: ' + m); }
function f3(m) { log('f3: ' + m); }
function log(m) { console.log(m); }