Shim setTimeout

setTimeout.js

(function () {
    'use strict';

    var _setTimeout = setTimeout;

    setTimeout = function (fn/*, delay, callbackParm1, callbackParm2, etc. */) {
        var delay, callbackParameters;

        delay = arguments[1] || 0;
        callbackParameters = Array.prototype.slice.call(arguments, 2);

        return _setTimeout((typeof fn === 'function')
            ? function () { return fn.apply(this, callbackParameters); }
            : fn, delay);
    };

    _setTimeout(function (acceptsCallbackParameters) {
        if (!!acceptsCallbackParameters) {
            setTimeout = _setTimeout;
        }
    }, 0, true);
}());