目录引言二维切片的基本概念定义创建二维切片二维切片的操作访问元素修改元素遍历二维切片二维切片的动态调整追加行动态调整列数项目场景中的应用图像处理游戏开发总结引言
I\'m a desktop application developer, and I plan learning html5, but as it\'s not released, there are (almost) no published books and not too much infomation for beginners on the web... I feel I shoul