concept

The <u> tag in HTML is used to underline a part or the entire content inside it. When using this tag, the text will be displayed with an underline.

Note:

• Tag <u> has been removed from HTML5 version and is not recommended for use anymore. Instead, you should use CSS to create underline effect.
• To create underline effect using CSS, you can use the property text-decoration: underline;.

How to use

Here is an example of how to use the <u> tag in HTML:

<p>Đây là một đoạn văn bản có <u>phần gạch chân</u>.</p>

result