java Script Function

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    <h1>java Script Function</h1>

    <script>

        function greet(name, massage1 = " This is defult value , agar hum koye value pass nahi karta to ye value print hoga") {

            // let names1= 23;

            console.log(massage1 + " " + name)

            console.log(name + " is a Good Boy")

        }

        let name1 = 23;

        let name2 = "Rahul";

        let name3 = "Islam";

        let massage = "good morning"

        // function ko run karne ke liye function(is case me greet ko call kiya he) ko call karna parta he 

        greet(name1, massage)

        greet(name2)

        greet(name3, massage)

        function sum(p1, p2, p3, p4) {

            let p5 = (p1 + p2) * p3 - p4;

            let p6 = " not return any"

            let p7 = "Agar p1==p2 or p1<p2 print This "

            let p8 = " agar p3 ==p4 or p3> p4 tab ye print kar do"

            if (p1 <= p2) {

                return p7;

            }

            else if (p3 == p4) {

                return p8;

            }

            else {

                return p5;

            }

        }

        let returnVar = sum(4512, 453, 10, 10);

        console.log(returnVar)

        let name = prompt("What is your age?", "Age");

        let myol ="Nazrul"

        if (name < 18) {

            console.log("You are not allowed")

        }

        else if (name ==myol) {

            console.log("Your Father name is Nurul islam")

        }

        else {

            console.log("you are allowed")

        }

    </script>

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