TypeError: "x" has no properties
メッセージ
TypeError: null has no properties TypeError: undefined has no properties
エラータイプ
何がうまくいかなかったのか？
例
null.foo;
// TypeError: null has no properties
undefined.bar;
// TypeError: undefined has no properties
TypeError: null has no properties TypeError: undefined has no properties
null.foo;
// TypeError: null has no properties
undefined.bar;
// TypeError: undefined has no properties