历史 canvas的优化 修订历史： English (US) 中文 (简体) Apr 14, 2016, 7:17:56 PM luojia 上一个 Apr 14, 2016, 7:17:36 PM luojia 上一个 Apr 30, 2015, 2:08:43 AM ziyunfei Web/Guide/HTML/Canvas_tutorial/Optimizing_canvas Web/API/Canvas_API/Tutorial/Optimizing_canvas 上一个 Mar 15, 2015, 7:16:55 PM lcxfs1991 上一个 Mar 15, 2015, 6:55:25 PM lcxfs1991 Mar 9, 2015, 6:30:54 AM jasonworg