How does facebook make your comment appear right after you typed it

StackOverflow https://stackoverflow.com/questions/21582817

  •  07-10-2022
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Question

Im tryng to build out the same type of functionality where users can comment another another users post out how would i get it to appear right away, Is it an ajax call?

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Solution

They send it to the server with ajax (to save it in db), and append it manually, like that https://api.jquery.com/append/

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