자바스크립트 버전별 정리 참조 : w3school

Ver Official Name
ES1 ECMAScript 1 (1997)
ES2 ECMAScript 2 (1998)
ES3 ECMAScript 3 (1999)
ES4 ECMAScript 4
ES5 ECMAScript 5 (2009)
ES6 ECMAScript 2015
  ECMAScript 2016
  ECMAScript 2017
  ECMAScript 2018

ES5 Features

  • use strict
  • String[number] access
  • Multiline strings
  • String.trim()
  • Array.isArray()
  • Array.forEach()
  • Array.map()
  • Array.filter()
  • Array.reduce()
  • Array.reduceRight()
  • Array.every()
  • Array.some()
  • Array.indexOf()
  • Array.lastIndexOf()
  • JSON.parse()
  • JSON.stringify()
  • Date.now()
  • Date.toISOString()
  • Date.toJSON()
  • Property getters and setters
  • Reserved words as property names
  • Object methods
  • Object defineProperty()
  • Function.bind()
  • Trailing commas

ES6 Features(2015)

  • The let keyword
  • The const keyword
  • Arrow Functions
  • For/of
  • Map Objects
  • Set Objects
  • Classes
  • Promises
  • Symbol
  • Default Parameters
  • Function Rest Parameter
  • String.includes()
  • String.startsWith()
  • String.endsWith()
  • Array.from()
  • Array.keys()
  • Array.find()
  • Array.findIndex()
  • New Math Methods
  • New Number Properties
  • New Number Methods
  • New Global Methods
  • Iterables Object.entries
  • JavaScript Modules

ES6 Features(2016)

  • JavaScript Exponentiation (**)
  • JavaScript Exponentiation assignment (**=)
  • JavaScript Array.prototype.includes

ES6 Features(2017)

  • JavaScript String padding
  • JavaScript Object.entries
  • JavaScript Object.values
  • JavaScript async functions
  • JavaScript shared memory

ES6 Features(2018)

  • Asynchronous Iteration
  • Promise Finally
  • Object Rest Properties
  • New RegExp Features

참고