관리-도구
편집 파일: index.js
import 'core-js/features/array/from'; import 'core-js/features/array/includes'; import 'core-js/features/array/flat'; import 'core-js/features/array/find'; import 'core-js/features/object/assign'; import 'core-js/features/object/entries'; import 'core-js/features/object/values'; import 'core-js/features/promise'; import 'core-js/features/string/starts-with'; import 'whatwg-fetch' import './modules/es.element.get-attribute-names'; import './modules/es.element.matches'; import './modules/es.element.closest';