Node.js Tutorial for Beginners-3 Call Backs In Node JS:
August 14, 2019
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Call backs in node js:
———————-
– we have two type of communications.
1. Synchronous Communication.
2. Asynchronous Communication
– We Can Implement the Asynchronous Communication with the help of callbacks.
– Synchronous Communication Called as Blocked Communication.
– Asynchronous Communication Called as Non Blocked Communication.
Ex.
we want to read the data from two text files.
1. file1.txt
2. file2.txt
[Note : if…
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