javascript ES version up to 2020, ES11

ECMAScript version ES1 ~ ES11

에크마스크립트 버전별 특징

자바스크립트 표준, 초판은 1997년에 출시되었다. 

ECMAScript는 언어의 공식 이름으로 ES1, ES2, ES3, ES5 및 ES6으로 축약되었다.

version	Year	Feature
ES1	ECMAScript 1 (1997)	First edition
ES2	ECMAScript 2 (1998)	Editorial changes
ES3	ECMAScript 3 (1999)	regular expressions try/catch
ES4	ECMAScript 4	Never released
ES5	ECMAScript 5 (2009)	"strict mode" JSON support String.trim() Array.isArray() Array iteration methods
ES6	ECMAScript 2015	let and const default parameter values Array.find() Array.findIndex()
ES7	ECMAScript 2016	exponential operator (**) Array.prototype.includes
ES8	ECMAScript 2017	string padding Object.entries Object.values async functions shared memory
ES9	ECMAScript 2018	rest / spread properties asynchronous iteration Promise.finally() RegExp
ES10	ECMAScript 2019	Object.fromEntries Array.prototype.flat Array.prototype.flatMap optional chatch binding
ES11	ECMAScript 2020	String.prototype.matchAll BigInt globalThis Promise.allSettled null 병합 연산자 옵셔널 체이닝 연산자 for...in enumeration order

 

ES Browser Support 

Browser Support for ES5 (2009)

Browser	Version	Date
Chrome	23	Sep 2012
Firefox	21	Apr 2013
IE	9*	Mar 2011
IE / Edge	10	Sep 2012
Safari	6	Jul 2012
Opera	15	Jul 2013

Browser Support for ES6 (ECMAScript 2015)

 

Browser	Version	Date
Chrome	51	May 2016
Firefox	54	Jun 2017
Edge	14	Aug 2016
Safari	10	Sep 2016
Opera	38	Jun 2016

Browser Support for ES7 (ECMAScript 2016)

Browser	Version	Date
Chrome	68	May 2018
Opera	55	Aug 2018