brackets/test/polyfills.js

(function () {
    "use strict";

    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 () {
                    return fToBind.apply(this instanceof FNOP && oThis ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments)));
                };

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

            return fBound;
        };
    }
}());