<u>
Widely available
The <u> HTML element makes non-textual annotations, styling text as underlined by default.
Compatibility
- Chrome 1 Released on 2008-12-11
- Chrome Android 18 Released on 2012-06-27
- Edge 12 Released on 2015-07-29
- Firefox 1 Released on 2004-11-09
- Firefox for Android 4 Released on 2011-03-29
- Safari 1 Released on 2003-06-23
- Safari on iOS 1 Released on 2007-06-29
MDN docs
Specifications
- HTML Standard, from HTML Workstream (WHATWG).