Fungsi

function multiply(a, b) {
    return a * b;
}
 
let result = multiply(10, 2)
console.log(result)
 
/* output
20
*/

function greeting(name, language) {
    if(language === "English") {
        return "Good Morning " + name + "!";
    } else if (language === "French") {
        return "Bonjour " + name + "!";
    } else {
        return "Selamat Pagi " + name + "!";
    }
}
 
let greetingMessage = greeting("Harry", "French");
console.log(greetingMessage);
 
/* output
Bonjour Harry!
*/