换句话说，article 元素表示由文档、页面或站点中的自包含组合组成的页面组件。
示例 1：
Specify the main content of a
document using HTML5
GeeksForGeeks
HTML5: How to specify the
main content of a document
GeeksforGeeks
Sandeep Jain(FOUNDER) An IIT Roorkee
alumnus and founder of GeeksforGeeks.
Apart from GeeksforGeeks, he has worked
with DE Shaw and Co. as a software developer
and JIIT Noida as an assistant professor.
输出： 
示例 2：
Specify the main content of
a document using HTML5
GeeksForGeeks
HTML5: How to specify the
main content of a document?
search engines
Google, Bing, and Yahoo! are the
most used search engines today.
Google
The world's most popular
search engine.
Bing
Microsoft's entry into the
burgeoning search engine
market. Better late than
never.
Yahoo!
The 2nd largest search
engine on the web
输出： 