sekishi

Enable the jQuery treeview on the page of wordpress. 
It is easily editable on the TinyMCE.
Automatically selects the enclosing shortcodes.(version 0.1.4 or later) 
This mode is the same as the Easy Block Selector plugin.
Treeview On Contents Plugin Overview. 
http://lab.planetleaf.com/development/wordpress/treeview-on-contents-plugin.html
This plugin used jQuery Treeview Plugin. 
jQuery Treeview plugin http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
A setup of JQuery Treeview Plugin is possible as the option of a shortcode [tvoncmeta].

Treeview On Contents

Enable editing of the treeview on TinyMCE.

Kerry Matthews

Adds a professional-looking Table of Contents to selected posts and pages with a single click. No setup required—simple and quick. Improves SEO and provides a better user experience, promoting engagement with your site.
The Table of Contents (ToC) will automatically generate based on the headings in your content, making it easy for users to navigate longer posts or pages. This plugin features a responsive layout to enhance user experience.
Note: This plugin requires JavaScript for front-end rendering and interactivity.
<h3>Additional Information</h3>
For full documentation and setup instructions, visit the plugin page: 
https://diversify.me.uk/table-of-contents-wordpress-plugin/
<h3>Donate</h3>
If you find this plugin useful, consider supporting it with a donation: 
https://diversify.me.uk/donate/

Table of Contents by DMUK

Adds a Table of Contents to posts and pages based on H2 to H6 headings.

Treeview On Contents vs Table of Contents by DMUK