To display a less than sign (<) in HTML, we have to use a character entity.

要在HTML中显示（<）这个字符，我们就必须使用实体字符。

youdao

To display a less than sign (<) in HTML, we have to use a character entity.

要在HTML中显示（<）这个字符，我们就必须使用实体字符。

youdao