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: undefinedjavascript 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: undefinedjs delete element
// delete an element from the dom
var elem = document.querySelector('#some-element');
elem.parentNode.removeChild(elem);
// keep element in dom
var elem = document.querySelector('#some-element');
elem.style.display = 'none';Delete Properties from a JavaScript Object
var ourDog = {
"name": "Camper",
"legs": 4,
"tails": 1,
"friends": ["everything!"],
"bark": "bow-wow"
};
delete ourDog.bark;js delete
// JavaScript "delete"
const Employee = {
firstname: 'John',
lastname: 'Doe'
};
console.log(Employee.firstname);
// expected output: "John"
delete Employee.firstname;
console.log(Employee.firstname);
// expected output: undefined
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/deletedelete js
let monTableauAssociatif = {
'prenom' : 'Mark' ,
'nom' : 'Zuckerberg' ,
'poste' : 'Pdg de Facebook',
} ;
delete(monTableauAssociatif.poste)
console.log(monTableauAssociatif) ;Copyright © 2021 Codeinu
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