Function.prototype.bind for javascriptcore

bindshim.js

if (!Function.prototype.bind) {
  Function.prototype.bind = function (oThis) {
    if (typeof this !== "function") {
      // closest thing possible to the ECMAScript 5 internal IsCallable function
      throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
    }

    var aArgs = Array.prototype.slice.call(arguments, 1), 
        fToBind = this, 
        fNOP = function () {},
        fBound = function () {
            try {
          return fToBind.apply(this instanceof fNOP
                                 ? this
                                 : oThis,
                               aArgs.concat(Array.prototype.slice.call(arguments)));
            } catch(e) {
                //catching what javascriptcore considers an illegal use of instanceof
                return fToBind.apply(oThis, aArgs.concat(Array.prototype.slice.call(arguments)));
            }
        };

    fNOP.prototype = this.prototype;
    fBound.prototype = new fNOP();

    return fBound;
  };
}