Why does the<hr>tag has no closing tag like</hr>

Question

Horizontal line tag

Answer 1

Because there is not any need of closing tag for hr like div

Answer 2

Read this:

https://stackoverflow.com/questions/6428184/can-a-hr-element-have-a-closing-tag#:~:text=No.,if%20you%27re%20using%20xhtml.