.delete()

Deletes a key. Returns a boolean based on whether the key was successfully deleted or not.

delete(key)

Parameter	Description
key	String The key to delete

Returns	Description
Boolean	Whether or not the key was successfully deleted

db.get('food'); // ['pizza', 'burger', 'fries']

db.delete('food'); // true

db.get('food'); // undefined

Also allows the use of dot notation:

db.get('student'); // { name: '5antos', number: 12345 }

db.delete('student.number'); // true

db.get('student'); // { name: '5antos' }