1. Definition
tags define sections (section, section) in a document. such as chapters, headers, footers, or other parts of the document.
2. The difference between Div, section, article
Div: There is no semantics in itself, as a hook for layout and styling or scripting.
Section: div with semantics, meaningful chunking of content, if complex styles are used, or div
Article: When the element content is aggregated more yanzhiyouwu, the article should be used. An article should have its own meaning and it should be possible to distribute it independently of the rest of the site, such as posts, newspaper articles, blogs, reviews
Semantic enhancements Article > section > Div
Article, section are new tags of HTML5, they have no subordinate relationship, can be nested with each other
3. Other
HTML5 is for the better media, semantic and exist!!!
The HTML section