This proposal is complete and already merged into ECMA262 specification. See the specification text here. Thanks for help and feedback on this effort from Brendan Eich, Waldemar Horwat, Jaro Sevcik, ...
The BitArray class allows the user to instantiate an array of elements, each of the same size in bits. For example one could create an array of 100 throws with a dice. Normally this would take 100 ...