ECMAScript 2015 (6th edition).
ECMAScript 2016 (7th edition).
ECMAScript 2016 (7th edition).
Contains the following notable features:
** operator for numbersasync/await
ECMAScript 2017 (8th edition).
ECMAScript 2017 (8th edition).
Contains the following notable features:
SharedArrayBuffer)Object.values, Object.entries, and Object.getOwnPropertyDescriptors
ECMAScript 2018 (9th edition).
ECMAScript 2018 (9th edition).
Contains the following notable features:
AsyncIterator protocol and async generators's', named capture groups,
Unicode property escapes (\p{} and \P{}) and look-behind assertions
ECMAScript 2019 (10th edition).
ECMAScript 2019 (10th edition).
Contains the following notable features:
ECMAScript 2020 (11th edition).
ECMAScript 2020 (11th edition).
Contains the following notable features:
import() callsBigIntglobalThisexport * as ns from 'module'import.meta
ECMAScript 2021 (12th edition).
ECMAScript 2021 (12th edition).
Contains the following notable features:
WeakRef and FinalizationRegistryAggregateError1_000)
ECMAScrîpt 5.1.
Constants for the value of
esVersion.