/*
  Function
  - Default Function Parameters
  - Function Parameters Default [Undefined]
  - Old Strategies [Condition + Logical Or]
  - ES6 Method
*/

function sayHello(username = "Unknown", age = "Unknown") {
  // if (age === undefined) {
  //   age = "Unknown";
  // }
  // age = age || "Unknown";
  return `Hello ${username} Your Age Is ${age}`;
}

console.log(sayHello());