More and more sites are beginning to use HTML5 tags, but the current situation is that many people are still using IE6, IE7, and IE8. In order to allow all browsers to have normal access, there are two solutions:
1. Create multiple sets of templates for the website, and use the program to judge the User-Agent to display different content for different browser users. Page, for example: Youku.com.
2. Use Javascript to enable browsers that do not support HTML5 to support HTML tags.
A better solution for IE is html5shiv. htnl5shiv mainly solves the problem that the new elements proposed by HTML5 are not recognized by IE6-8. These new elements cannot be used as parent nodes to wrap child elements, and CSS styles cannot be applied. To apply a CSS style to an unknown element simply execute document.createElement(elementName). html5shiv was created based on this principle.
The use of html5shiv is very simple. Considering that IE9 supports html5, you only need to add the following code to the page head: