code: function areHostMethods(object) {
      var methodNames = Array.prototype.slice.call(arguments, 1),
          t, i, len = methodNames.length;
      for (i = 0; i < len; i++) {
        t = typeof object[methodNames[i]];
        if (!(/^(?:function|object|unknown)$/).test(t)) return false;
      }
      return true;
    }
docs: /* EVENT HANDLING