历史 Object.isSealed() 修订历史： English (US) 中文 (简体) May 24, 2016, 5:42:10 PM Ende93 更新，添加标签 上一个 Nov 20, 2015, 7:55:42 PM helinjiang 文案 上一个 Nov 20, 2015, 7:37:12 PM helinjiang 修改了用例，增加了note 上一个 Aug 3, 2014, 6:41:45 AM AlexChao 上一个 Aug 3, 2014, 6:40:42 AM AlexChao 上一个 Aug 3, 2014, 6:39:43 AM AlexChao 上一个 May 5, 2014, 11:51:36 PM teoli JavaScript/Reference/Global_Objects/Object/isSealed Web/JavaScript/Reference/Global_Objects/Object/isSealed 上一个 May 5, 2014, 10:11:13 PM teoli JS-ref/Global_Objects/Object/isSealed JavaScript/Reference/Global_Objects/Object/isSealed 上一个 May 5, 2014, 10:08:56 PM teoli JavaScript/Reference/Global_Objects/Object/isSealed JS-ref/Global_Objects/Object/isSealed 上一个 Dec 27, 2012, 6:49:05 PM ziyunfei