// Block of code that perform a specific task, can be invoked any time

// e.g. console.log() to print data

// () to call the function

// How to write a function

// 2 steps

// 1. definition of function

/**

* function functionName(){

* // do some work

* }

*/

welcom();

function myFunction(){

console.log("Welcome to workshop");

}

// 2. function call/ function invoke

myFunction();

let sum=40;

let updatedValue=welcom(sum);

console.log(updatedValue);

// //functions reduce redundancy

// // function input is parameter(function definition)/argument (function call)

// // Nan not a number

// function sum( a, b){

// // local variable block scope

// //console.log(a+b);

// let s= a+b;

// return s;

// // return only one value

// }

// sum(154,560);

// let val= sum(3,66);

// console.log(`sum is ${val}`);

// /** Arrow funciton

// * compact for

// *

// */

const val= (sum) =>{

console.log(sum);

sum+=3;

console.log("Hello, Welcome to this workshop");

return sum;

}

const arrowSum= (a,b)=>{

console.log(a,b);

}

// // console.log(arrowSum(2,4));

// map, reduce, arrow, foreach loop