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