履歴: Object.isSealed() 改訂履歴: English (US) 日本語 2015/04/13 15:40:41 teoli + sidebar 前へ 2015/04/13 15:41:21 teoli + sidebarJavaScript/Reference/Global_Objects/Object/isSealed Web/JavaScript/Reference/Global_Objects/Object/isSealed 2012/07/31 7:59:17 yyss