Rick Waldron (2014-03-15T23:45:00.000Z)
domenic at domenicdenicola.com (2014-03-26T23:09:06.085Z)
Very enthusiastically agree--these would be excellent additions that balance nicely with Dict (null `__proto__` b/w keys, values, entries), along with all of the builts-ins that received keys, values and entries on their prototypes in ES6.