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Node and React series that you can learn by following - Creating a YouTube site
Create a comment function (3) SingleComment
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새로운 comment를 submit했을 때 Content State에 새로운 comment를 추가해주기위해서 comment.concat을 쓰는거잖아요?
submit할때 새로고침 되게하면 결과는 똑같은거 맞나요??!
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