JavaScript Versions

JavaScript is a modern scripting language that is popular worldwide among developers. It is a lightweight, interpreted compiled language that can be used on both client-side as well as the server side. It was invented in the year 1995 by Brendan Eich.

This language became an ECMA standard in the year 1997. Versions are named ECMAScript2016, 2017…2020 after 2016.

We will discuss the various versions, their features as well and the release date in the table below:

Version	Name	Release Year	Features
ES1	ECMAScript 1	1997	Initial Release
ES2	ECMAScript 2	1998	Minor Editorial Changes
ES3	ECMAScript 3	1999	Added: Regular Expression try/catch Exception Handling switch case and do-while
ES4	ECMAScript 4		Abandoned due to conflicts
ES5	ECMAScript 5	2009	Added: JavaScript “strict mode” JSON support JS getters and setters
ES6	ECMAScript 2015	2015	Added: let and const Class declaration import and export for..of loop Arrow functions
ES7	ECMAScript 2016	2016	Added: Block scope for variable async/await Array.includes function Exponentiation Operator
ES8	ECMAScript 2017	2017	Added: Object.values Object.entries Object.getOwnPropertiesDescriptors
ES9	ECMAScript 2018	2018	Added: spread operator rest parameters
ES10	ECMAScript 2019	2019	Added: Array.flat() Array.flatMap() Array.sort is now stable
ES11	ECMAScript 2020	2020	Added: BigInt primitive type nullish coalescing operator
ES12	ECMAScript 2021	2021	Added: String.replaceAll() Method Promise.any() Method
ES13	ECMAScript 2022	2022	Added: Top-level await New class elements Static block inside classes
ES14	ECMAScript 2023	2023	Added: toSorted method toReversed findLast, and findLastIndex methods on Array.prototype and TypedArray.prototypet

Note: Older versions of browsers do not support ES6.