callback function in javascript | interview question on js

callback function in javascript | interview question JavaScript

[todaycoding]

var a=5;
var b=6;

// function fun1(){
// console.log("Hellow....")
// }

function add(num1, num2, hellowFun){
console.log(num1+num2)
hellowFun();
}
add(a, b, function(){
console.log("hellow world....")
})