说明：  HTML编程手册，js css和html基本上所有的语法都在这儿，可以自行查看还有实例示例可以简单的了解html是一个新手可以看的。
(HTML programming manual, JS CSS and HTML, basically all the grammar here, you can see their own, as well as examples of examples can be a simple understanding of HTML is a novice can see.)