带下划线显示文本。
Renders text that is underlined.
此元素在 Internet Explorer 3.0 及以上版本的 HTML 中可用,在 Internet Explorer 4.0 及以上版本的脚本中可用。
此元素是内嵌元素。
此元素需要关闭标签。
The U element is available in HTML as of Internet Explorer 3.0, and in script as of Internet Explorer 4.0.
This element is an inline element.
This element requires a closing tag.
<U>This text is underlined.</U>
该对象已不建议使用,将可能在今后HTML标准中废弃。
This object is deprecated in HTML.
见 http://www.w3.org/TR/html401/index/elements.html