このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語)：
does not support includes
対処
関連リンク
ie does not support 'includes' method - Stack Overflowstackoverflow.com/.../ie-does-not-support-includes-met...
https://stackoverflow.com/questions/31221341/ie-does-not-support-includes-method
Using `window.location.hash.includes` throws ...
https://stackoverflow.com/questions/31119300/using-window-location-hash-includes-throws-object-doesn・・・
includes() not working in IE
https://stackoverflow.com/questions/43139472/includes-not-working-in-ie