Buffer shi ne hanyar Node na watsawa da ainihin bayanan binar — jerin kusan bure da aka ajiye a wajen heap V8. Domin zanen JavaScript ne don rubutu (Unicode), Buffers akwai don aiki da binar: abun fayil, fakitin hanyar sadarwa, hotuna, boye-boye, da kuma.
Me yasa Buffers akwai
JavaScript strings → text (UTF-16). Can't cleanly represent arbitrary bytes.
Buffers → raw bytes (0–255 each). For binary data that isn't text.
Lokacin da ka karanta fayil ko ka karba bayanan hanyar sadarwa, suna zo azaman bytes — Buffer — wanda za ka iya cire zuwa string idan shi ne rubutu, ko kuma aiki da shi azaman binar idan ba shi ba.
