// function 
      if (typeof this !== "function")
      throw new TypeError(
        "Function.prototype.bind - what is trying to be fBound is not callable"
      );

      var aArgs = Array.prototype.slice.call(arguments, 1),
          fToBind = this,
          fNOP = function () {},
          fBound = function () {
            return fToBind.apply( this instanceof fNOP ? this : oThis || window,
                   aArgs.concat(Array.prototype.slice.call(arguments)));
          };

      fNOP.prototype = t