#HTML some useful character entities
use some entities in order to prevent conflict and character codes
显示结果 实体名称
< <
> >
" "
' &apos
Some attribute #Meta tag
## using the keyword meta tags can be used to set up a web page
<meta name = "keywords" content="HTML5" />。
## can be used to describe a given page
<meta name = "description" content = "发布H5的相关信息” />
## can be used to make the request to redirect
<meta http-equiv="refresh" content="5;url=www.baidu.com"/>