function displayInfo(args) {
var output = "";
if (typeOf args.name == "string") {
output += "Name: " + args.name + "\n";
}
if (typeOf args.age == "number") {
output += "Age: " + args.age + "\n";
}
// alert(output);
console.log(output);
}
displayInfo({
name: "Bobi",
age: 29
});