1let person = {
2  firstname: 'John',
3  lastname: 'Doe'
4}
5
6console.log(person.firstname);
7// expected output: "John"
8
9delete person.firstname;
10
11console.log(person.firstname);
12// expected output: undefined

1// delete an element from the dom
2var elem = document.querySelector('#some-element');
3elem.parentNode.removeChild(elem);
4
5
6// keep element in dom
7var elem = document.querySelector('#some-element');
8elem.style.display = 'none';

1var ourDog = {
2  "name": "Camper",
3  "legs": 4,
4  "tails": 1,
5  "friends": ["everything!"],
6  "bark": "bow-wow"
7};
8
9delete ourDog.bark;

1delete obj.firstname;

1// JavaScript "delete"
2const Employee = {
3  firstname: 'John',
4  lastname: 'Doe'
5};
6
7console.log(Employee.firstname);
8// expected output: "John"
9
10delete Employee.firstname;
11
12console.log(Employee.firstname);
13// expected output: undefined
14
15
16// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/delete

1let monTableauAssociatif = {
2     'prenom' : 'Mark' ,
3     'nom'    : 'Zuckerberg' , 
4     'poste'  : 'Pdg de Facebook',
5
6 } ;
7 delete(monTableauAssociatif.poste)
8 console.log(monTableauAssociatif) ;
9