Object, Array, String
(Object)freeze, rest, entries, fromEntries (Array) map, filter, reduce, findIndex (String) includes, padStart 이번에 React 챌린지에 도전하면서 사용한 Object와 그 메소드를 가져와 보았습니다. Object The Object class represents one of JavaScript's data types. It is used to store various keyed collections and more complex entities. Objects can be created using the Object() constructor or the object initializer / literal syntax...