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HomeWeb Front-endH5 TutorialHTML5 新增结构元素

HTML5 新增结构元素分为主体结构元素和非主体结构元素
•主体结构元素包括 article、section、nav、aside、time
•非主体结构元素包括 header、hgroup、footer、address

一、主体结构元素
article
article 标签,从语义化上看为文档、页面,其用法如下:
•通常是一篇文章、一个页面、一个独立完整的内容模块
•一般会带个标题,并放在 header 标签中
•article 元素可以互相嵌套
使用频率极高,强调独立性,多注意下与 header 标签的使用。
 

HTML5 新增结构元素

section
section 标签,从语义化上看为部分,其用法如下:

•用于页面内容的独立分块,往往是文章的一段
•通常由内容和标题组成,没有标题的内容不推荐使用 section
使用频率低,强调分段分块。

HTML5 新增结构元素

nav
nav 标签,从语义化上看为导航,其用法如下:

•通常作为页面导航的链接组
•侧边栏导航
使用频率高。

HTML5 新增结构元素

aside
aside 标签,从语义化上看为在旁边、侧边,其用法如下:

•在 article 标签中使用时,作为主要内容的附属信息部分,如有关的参考资料、名词解释等。
•在 article 标签外使用时,作为页面或者站点全局的附属信息部分,如侧边栏、博客的友情链接部分、广告区域等。

HTML5 新增结构元素

time
time 标签,从语义化上看为时间,其用法如下:

•代表 24 小时中的某个时刻或某个日期
•表示时刻时允许带时间差
•可定义很多格式的日期和时间
使用频率低。

HTML5 新增结构元素

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