newApply() - A simple way to combine `foo.apply(context, args)` with `new Foo()` at the same time. (apply an array of arguments to the constructor of the new object instance)

newApply.js

/**
 * newApply
 * By Jay Phelps
 * WTFPL Licensed
 * 
 * Example:
 * 
 * function Foo(first, second) {
 *     alert(first + ' ' + second);
 * }
 * 
 * var foo = newApply(Foo, ['hello', 'world']);
 */
var newApply = (function () {
    // Locally overriding the built-in Object temporarily allows us (in most
    // browsers) to maintain the original constructor's name when it is printed
    // in the console. Otherwise, what ever we name this, that name will be used
    // instead.
    var Object = function () {};

    return function(ctor, args) {       
        // Reference prototype
        Object.prototype = ctor.prototype;
        Object.prototype.constructor = ctor;

        // Original constructor not provided to prevent double
        // firing on the real object
        var instance = new Object();

        ctor.apply(instance, args);

        return instance;
    }
})();