What is call back function in Node.js?

Asked Mar 16 '20 at 07:16

Active Mar 16 '20 at 08:07

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As per my knowledge, A callback is a function which is called when a task is completed, thus helps in preventing any kind of blocking and a callback function allows other code to run in the meantime. Callback is called when task get completed and is asynchronous equivalent for a function.

But, i am not able to implement in real time, can anyone here can help me to how to write a call back function for simple app.js application? and i need to know how to call a function.

asked Mar 16 '20 at 07:16

shivay_oom

refer https://stackoverflow.com/questions/19739755/nodejs-callbacks-simple-example – Sithija Siriwardana Mar 16 '20 at 07:28
1

Does this answer your question? [nodeJs callbacks simple example](https://stackoverflow.com/questions/19739755/nodejs-callbacks-simple-example) – Alex Wayne Mar 16 '20 at 07:32
Can you please write a call back function for Mysql and Node.js connection and explain each term in simple way? – shivay_oom Mar 16 '20 at 08:07

What is call back function in Node.js?

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