https://koras02.tistory.com/97 https://junilhwang.github.io/TIL/ https://seokzin.tistory.com/entry/React-useState의-동작-원리와-클로저 https://velog.io/@devmag/React-state-변경-시-왜-useState-setState를-쓰는가 https://github.com/Road-of-CODEr/do-it-react/blob/master/20200830/chapter3.mdRead the full post in the article viewer window.