object

    let user = {
        firstName: "Harry",
        lastName: "Potter", 
        age: 20, 
        isMuggle: false,
        stuff: ["Magic Wind", "Flying Car", "Owl"]
    };
        console.log("Hallo, nama saya " + user.firstName + " " + user.lastName);
    console.log("Umur saya " + user.age + " tahun");
     
    /* output
    Hallo, nama saya Harry Potter
    Umur saya 20 tahun
    */