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Showing content from http://developer.mozilla.org/ru/docs/Web/JavaScript/Reference/Errors/No_properties below:

TypeError: "x" has no properties - JavaScript

TypeError: "x" has no properties Сообщение
TypeError: Unable to get property {x} of undefined or null reference (Edge)
TypeError: null has no properties (Firefox)
TypeError: undefined has no properties (Firefox)
Тип ошибки

TypeError.

Что пошло не так?

У null и undefined нет свойств, к которым можно было бы обратиться.

Примеры
null.foo;
// TypeError: null has no properties

undefined.bar;
// TypeError: undefined has no properties
Смотрите также

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