Source: http://www.wendycholbi.com/anchor-links-jump-links/
Add an ID to the header in text/html mode like this:
<h3 id="chapter1">Chapter 1</h3>Code language: HTML, XML (xml)
Then create a hyperlink to the header with #chapter1
- On the same: #chapter1
- On another page: https://www.mydomain.com/#chapter1