Moment.jsで注意!が出る場合
moment.locale("ja", { weekdays: ["日曜日","月曜日","火曜日","水曜日","木曜日","金曜日","土曜日"], weekdaysShort: ["日","月","火","水","木","金","土"], } ); でなくて、、 moment.updateLocale("ja", { weekdays: ["日曜日","月曜日","火曜日","水曜日","木曜日","金曜日","土曜日"], weekdaysShort: ["日","月","火","水","木","金","土"], } );