http://numeraljs.com/ 에서 참고
C:\VSCode\react\test9>npm install numeral --save
C:\VSCode\react\test9>npm install react-icons --save
import Numeral from 'numeral'
const {rank,movieNm,salesAmt,audiCnt,rankInten} = item
return (
<tr onMouseOver={()=>onOver(rank)}>
(중략)
<td>{Numeral(salesAmt).format('0,0')}</td>
<td>{Numeral(audiCnt).format('0,0')}</td>
https://ko.legacy.reactjs.org/docs/hooks-state.html
Using the State Hook – React
A JavaScript library for building user interfaces
ko.legacy.reactjs.org
https://ko.legacy.reactjs.org/docs/hooks-effect.html
Using the Effect Hook – React
A JavaScript library for building user interfaces
ko.legacy.reactjs.org
오늘 공부할거