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Event Driven Asynchronous Callback in Node
To understand the asynchronous callbacks concept in node.js let us see the below code and try to understand what is the concept:
var output = database.query("select * from employee");
console.log("Learning the conept of Event driven asynch...
Callbacks in NodeJs
A callback is a function which is called after completion of a current running task. In Nodejs, all APIs are fully supports the callbacks asynchronous i.e. Non-Blocking Code features of NodeJs.
Due to Non-Blocking features NodeJs makes highly ...
