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首页web前端H5教程简单介绍HTML5新增及移除的元素

下面小编就为大家带来一篇浅谈HTML5新增及移除的元素。小编觉得挺不错的,现在就分享给大家,也给大家做个参考。一起跟随小编过来看看吧

HTML经过10多年的发展,其元素经历了废弃与不断重新定义的过程。为了更好的处理现在的互联网应用,HTML5新增了图形绘制、多媒体播放、页面结构、应用程序存储、网络工作等新元素。

图形绘制新元素

标签 描述
<canvas> 标签定义图形,比如图表和其他图像。该标签基于 JavaScript绘图 API

新多媒体元素

标签 描述
定义音频内容
定义视频内容
定义多媒体资源(audio或vedio)
定义嵌入的内容,比如插件
为如video和 audio元素之类的媒介规定外部文本轨道

新表单元素

标签 描述
list> 定义选项列表。请与 input 元素配合使用该元素,来定义 input 可能的值。
<keygen> 规定用于表单的密钥对生成器字段。
定义不同类型的输出,比如脚本的输出。

新的语义和结构元素

HTML5提供了新的元素来创建更加适用的的页面。

标签 描述
定义页面独立的内容区域。
定义页面的侧边栏内容。 何问起
允许您设置一段文本,使其脱离其父元素的文本方向设置。
定义命令按钮,比如单选按钮复选框或按钮。
用于描述文档或文档某个部分的细节。
定义对话框,比如提示框。
标签包含 details 元素的标题。
规定独立的流内容(图像、图表、照片、代码等等)。
定义 figure元素的标题。
定义 section 或 document 的页脚。
定义了文档的头部区域。
定义带有记号的文本。
定义度量衡。仅用于已知最大和最小值的度量。
定义导航链接的部分。
定义任何类型的任务的进度。
定义 ruby 注释(中文注音或字符)。
定义字符(中文注音或字符)的解释或发音。
在 ruby 注释中使用,定义不支持 ruby 元素的浏览器所显示的内容。
定义文档中的节(section、区段)。
<time> 定义日期或时间。
规定在文本中的何处适合添加换行符。

已移除的元素

以下的 HTML 4.01 元素在HTML5中已经被删除:

标签
font>
<dir>
set>
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