Question

What is ‘Callback’ in node.js?

Answer 1

$\bf\huge\color{red}\mathbb{HELLO\:USER:)}$

Hey friend try to write meaningful questions.....
none could even understood what have you asked. Please try to clarify your doubt so that we could help you.

Hope you could understand :)

Answer 2

$\bf\huge\color{red}\mathbb{ hello\: mate!}$

$<b>firstly, this is not a science question!$

and, by the way your question is not clear! please it's my request to you to please write it clearly, what you want to ask, as I and other people are not able to understand your question.

so, please take care from next time , about the subject and the matter or question you are asking! Write as much clear as everyone can understand without any problem!

$\green{\boxed{\bold{\underline{ hope \: you \: understood}}}}$