How to create a table of contents to Jekyll blog post?

Question

If I have a page/post in Jekyll with headers, is it possible to auto-generate a table-of-contents/outline for navigation? Something akin to the top matter of a Wikipedia art

Answer 1

All these methods specified didn't work for me for the GitHub pages blog, also I wanted to simply use the liquid for the purpose.

Here is the detailed description.

How to add toc in Jekyll blog

Here is how it looks.