历史 Math.sign() 修订历史: English (US) 中文 (简体) Jan 21, 2015, 7:11:45 PM tiansh 翻译缺失部分 上一个 May 5, 2014, 11:51:44 PM teoli JavaScript/Reference/Global_Objects/Math/sign Web/JavaScript/Reference/Global_Objects/Math/sign 上一个 May 5, 2014, 10:11:23 PM teoli JS-ref/Global_Objects/Math/sign JavaScript/Reference/Global_Objects/Math/sign 上一个 May 5, 2014, 10:09:04 PM teoli JavaScript/Reference/Global_Objects/Math/sign JS-ref/Global_Objects/Math/sign 上一个 Nov 4, 2013, 4:14:05 PM ziyunfei 上一个 Nov 4, 2013, 4:10:05 PM ziyunfei 上一个 Nov 4, 2013, 4:08:25 PM ziyunfei Nov 4, 2013, 4:05:18 PM ziyunfei