delete a key from js object code example
Example 1: 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
Example 2: javascript remove element from object
delete object.element
Example 3: nodejs delete object key
delete obj.firstname;