【HTML】Intermediate7：Sectioning

1.</article>

 

2.</section>

 can use h1 elements at the start of each section,which would become a sub-heading of anything preceding that section

 suggest sticking to the headings levels you would use if you didn’t use sections

 

3.provides a much richer, more meaningful document.

 

4.</header>

5.</footer>

6.</aside>related the content surrounding it

7.</nav>(navigation)designed for major groupings

8.HTML5Shiv can rescue