Caitlin Potter (2015-04-11T02:38:03.000Z)
d at domenic.me (2015-04-19T23:38:35.765Z)
> No engine has implemented subclassing of `Array`, yet: http://kangax.github.io/compat-table/es6/#Array_is_subclassable https://github.com/v8/v8-git-mirror/blob/master/test/mjsunit/harmony/classes-subclass-arrays.js Not staged yet, but it is implemented and is very cool. few small pieces missing still