We'll create fresh WordPress site with Table of Contents Block installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Create a Table of Contents within Gutenberg editor with various styling controls and settings.
List your headings as flat or nested view in table of contents to make them more readable.
This option gives you flexibility to choose which headings should be included or excluded in your table of contents by using HTML tags and CSS id, classes.