Delete Keyword Javascript

• delete is an operator.
• It removes a property from an object.
• It only works on properties of an object and nothing else.

const person = {
  name: "John",
  age: 30,
  city: "New York"
};

// Deleting the 'city' property
delete person.city;

console.log(person);
// Output: { name: 'John', age: 30 }

Q. What will be the output delete keyword

const func = (function (a) {
	delete a;
	return a;
})(5);

console.log(func); // 5