Callback fn

JavaScript

by manoj_antony32

JavaScript

let add =  function(a,b){
  return a+b;
};
let multiply = function(a,b){
  return a*b;
};
let calc = function(a,b,callback){
  if(typeof(callback) === 'function'){
  	return callback(a,b);
  }
  
};

console.log(calc(2,4,multiply));