You can mark strikeout text like this:
在 HTML 5 中，<s>仍然支持</s>已经不支持这个标签了。
All browsers support <s> tag.
<S> tag to define the strikethrough text definition.
<s> tag is <strike> tag abbreviated version of, Netscape and Internet Explorer support it. But in HTML 4 and XHTML are no longer in favor of using it, which means no longer in use; sooner or later it will disappear.
In HTML 4.01, <s> tag is not in favor of use.
In XHTML 1.0 Strict DTD in, <s> tag is not supported.
Note: Please use <del> to replace it!
<s> tag supports HTML in the global properties .
<s> tag supports HTML in the event properties .
See HTML 5 Reference Manual for the latest information about the <s> tag: