Add closing slash to tags like: hr
, br
, img
, and input
import { marked } from "marked";
import { markedXhtml } from "marked-xhtml";
// or UMD script
// <script src="https://cdn.jsdelivr.net/npm/marked/lib/marked.umd.js"></script>
// <script src="https://cdn.jsdelivr.net/npm/marked-xhtml/lib/index.umd.js"></script>
marked.use(markedXhtml());
marked.parse("---");
// <hr/>