スクロールを元に戻す処理
textView.setContentOffset(CGPoint(x: 0, y: -quizTextView.contentInset.top), animated: false
TextView内の行数を取得する方法
![](https://ios-docs.dev/wp-content/uploads/2021/07/Thumbnail_Swift-160x160.jpg)
TextViewの余白(Padding)を削除する方法
textView.textContainerInset = UIEdgeInsets.zero
textView.setContentOffset(CGPoint(x: 0, y: -quizTextView.contentInset.top), animated: false
textView.textContainerInset = UIEdgeInsets.zero