TypeError: "x" has no properties
Message
TypeError: Unable to get property {x} of undefined or null reference (Edge)
TypeError: null has no properties (Firefox)
TypeError: undefined has no properties (Firefox)
Type d'erreur
Quel est le problème ?
Les valeurs null et undefined n'ont aucunes propriétés auxquelles accéder.
Exemples
js
null.toto;
// TypeError: null has no properties
undefined.truc;
// TypeError: undefined has no properties