This section covers other elements that you can include within your text, but which typically have fewer occasions to be used or have limited browser support (or both).
Like b, i, s, and small, the u element has been redefined in HTML5 to disassociate it from its past as a non-semantic, presentational element. In those days, the u element was for underlining text. Now, it’s for unarticulated annotations. HTML5 defines it thus:
The u element represents a span of text with an unarticulated, though explicitly rendered, non-textual annotation, such as labeling the text as being a proper name in Chinese text (a Chinese proper name mark), or labeling the text as being misspelt.
Here is an example of how you could use