React - IE9 에서 돌리기( core-j, babel-polyfill )

core-j ( https://github.com/zloirock/core-js )

설치

npm install core-js

- index.js

import "core-js/es6/map";

import "core-js/es6/set";

babel-polyfill ( https://babeljs.io/docs/usage/polyfill/ )

설치

npm install --save babel-polyfill

- index.js

import "raf/polyfill";