Functions In javascript

Functions

• reusable blocks of code designed to perform specific tasks.

• they allow you to organize ,resue , and modularize code .

Default Parameters

• default parameters are used when no argument is provided.

• if no value is passed the function automatically uses the default value.
  

function greet(name = "Guest") {
  console.log("Hello, " + name);
}

*Return Statement *

• The return statement is used to send a result back from a function

• the returned value can be stored in variable or used directly
  

function add(a, b) {
  return a + b; // returns the sum
}

let result = add(5, 10);
console.log(result); 

prime number logic

let i = 1;
let given = 6;
let count = 0;



for(i=1;i<=given;i++){
    if(given%i==0 ){
        count++;
    }
}

    if(count == 2){

        console.log("given is prime number"+ i)
    }else{

        console.log ("given is not a prime number")
    }