pub sub

real-easy.js

var pubsub = (function () {
  return { pub: pub, sub: sub, evs: {} };

  function pub(ev, data) {
    pubsub.evs[ev] && pubsub.evs[ev].forEach(function (h) { h(data); });
  }

  function sub(ev, h) {
    (pubsub.evs[ev] || (pubsub.evs[ev] = [])).push(h);
  }
})();