Answers for "js Property Assignment delete"

javascript delete key from object

let person = {
  firstname: 'John',
  lastname: 'Doe'
}

console.log(person.firstname);
// expected output: "John"

delete person.firstname;

console.log(person.firstname);
// expected output: undefined

js Property Assignment delete

delete objectName['Property Name'];
delete objectName.propName;

nodejs delete object key

delete obj.firstname;