历史 String.prototype.substring() 修订历史: English (US) 中文 (简体) Sep 14, 2016, 8:07:18 PM qujingyouyachu 上一个 Feb 28, 2016, 11:30:08 PM helloguangxue 上一个 Feb 28, 2016, 11:27:29 PM helloguangxue 上一个 Feb 28, 2016, 11:26:55 PM helloguangxue 上一个 Jun 3, 2015, 6:09:55 PM bailnl Jul 28, 2014, 7:47:02 AM AlexChao