node-core-js-bundle 3.26.1-1 (amd64 binary) in ubuntu lunar

 core-js is a modular standard library for JavaScript. Includes polyfills for
 ECMAScript up to 2021: promises, symbols, collections, iterators, typed
 arrays, many other features, ECMAScript proposals. With core-js-bundle, one
 can load only required features or use it without global namespace pollution.