HTML 5 Tag	Description
<article>	Defines an article
<audio>	Defines sound content
<canvas>	Defines graphics
<command>	Defines a command button
<datagrid>	Defines dynamic data in a tree, tabular or list
<datalist>	Defines a drop-down list
<datatemplate>	Defines a data template
<details>	Defines details of an element
<dialog>	Defines a conversation or a dialog
<embed>	Defines a plug-in or interactive content
<eventsource>	Defines a a target for events generated by a remote server
<figure>	Defines a group of media content used for annotating illustrations, diagrams, photos, code etc and their caption
<footer>	Defines a footer for a section or page
<header>	Defines a header for a section or page
<mark>	Defines text as marked or highlighted for reference purpose
<meter>	Defines a scalar measurement within a known range
<nav>	Defines navigation links
<nest>	Defines a nesting point in a data template
<output>	Defines result of a calculation or some type of output
<progress>	Defines progress of a task
<rule>	Defines the rules for updating a template
<section>	Defines a section within an article
<source>	Defines multiple media resources on media elements like audio, video etc.
<time>	Defines a date/time
<video>	Defines a video

HTML5 中新增的标签一览表