Dead simple JS repeater

repeater.js

/*
 * Repeater.js
 */

(function (window) {
  'use strict';

  function Repeater(callback, timeout) {
    var self = this;
    var update = callback;

    self.runner = setInterval(function () { update(); }, timeout);
    self.stop = function () { clearInterval(self.runner); };
  };

  window.Repeater = Repeater;
}(window));