function Person(fname, lname) {
 this.fname = fname,
 this.lname = lname,
 this.getName = function(){
 console.log(`${fname} ${lname}`)
 }
}
var x1 = new Person(“amnah”, “khatun”)
var x2 = new Person(“xyz”, “pqr”)
console.log(x1.getName())

amnah khatun
undefined