Author: Pradeep Maurya

Pradeep Maurya is the Professional Web Developer & Designer and the Founder of  "Tutorials website". He lives in Delhi and loves to be a self-dependent person. As an owner, he is trying his best to improve this platform day by day. His passion, dedication and quick decision making ability to stand apart from others. He's an avid blogger and writes on the publications like Dzone, e27.co

What is Callback Hell?

Pradeep Maurya
callbacks-callback-hell-promise

addition(2,function(addRes,err){ if(!err){ Subtract(addRes,function(subRes,err){ if(!err){ multiplication(subRes,function(mulRes,err){ console.log(mulRes); }); } }); } }); function addition(val,callback){ callback(val+5,false); } function Subtract(val,callback){ callback(val-3,false); } function multiplication(val,callback){ callback(val*5,false); } In the above code, there is three operation addition, Subtract and multiplication. Which is using a callback…

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