Awesome

of and from on collection constructors

• Spec

Champions

• Kevin Gibbons
• Allen Wirfs-Brock
• Leo Balter

Status

This proposal is currently stage 1 of the TC39 process.

Motivation

https://twitter.com/BrendanEich/status/771009446298329088

Questions

https://github.com/tc39/proposal-setmap-offrom/issues

Polyfill

A polyfill is available in the core-js library. You can find it in the ECMAScript proposals section.