FUNCTIONS IN JAVASCRIPT

Function:
-Reusable block of code to perform a specific Task
-Easy to Maintain

Declaration:

function ak(){
       console.log("Hello Ak");//Ak
}
ak()

Passing Parameters:

function ak(name){
       console.log("Name:"+name);//Name:Alagu
}
ak("Alagu");

Return Values:

function ak(a,b){
       return a+b;
}
let result=ak(10,20);
console.log(result);//30

Expression:
-Function can be stored in variable

let multiply=funtion(a,b){
          return a+b;
};
console.log(multiply(4,5)); //20

Arrow Function:
Shortest way for funtion declaration

const sub=(a,b)=>a-b;
console.log(sub(10,4);//6