1, header element?

Represents the title of a content block or an entire page in a page.

2.hgroup element?

Represents the title combination of an entire page or content blocks in a page.

3. What are the elements of the article?

Represents independent content in a page that has nothing to do with the context. For example, an article.

4. collateral elements?

Represents auxiliary information related to the content of an article element, not the content of an article element.

5. Footer element?

Footnotes that represent an entire page or a block of content in a page. Generally speaking, he will include the name of the creator, the date of creation and the contact information of the creator.

HTML5 new rule:?

The new function should be based on HTML, CSS, DOM and JavaScript. Reduce the need for external plug-ins (such as Flash), better error handling, and more tags to replace scripts. HTML5 should be independent of the device development process and transparent to the public;

HTML5？ New features:?

New special content elements, such as articles and footers. , new form controls, such as calendar, date, time, email, url, search; ; Video and audio elements for media playback; Canvas elements for painting?

Better support local offline storage.