ES5 Complete Object Clone

gistfile1.js

/**
 * ES5 Complete Object Clone
 *
 * @param {Object} Object to clone
 * @return {Object} Cloned object
 */
function (obj, tmp /* placeholder */) {
    // import Object.*
    with(Object)
        // get property names
        return getOwnPropertyNames(obj)
            // iterate names
            .map(tmp  = function(name) {
                // get descriptors
                tmp[name] = getOwnPropertyDescriptor(obj, name);
            }),
            // get proto and create clone
            create(getPrototypeOf(obj), tmp);
}

Note! This peace of code doesn't convey a good programming style, it demonstrates minimization techniques instead.