Hierarchical Table Of Contents In JavaScript – Easy-TOC

Category: Javascript , Menu & Navigation | August 19, 2020
Author: bfiessinger
Views Total: 79 views
Official Page: Go to website
Last Update: August 19, 2020
License: MIT

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Hierarchical Table Of Contents In JavaScript – Easy-TOC

Description:

A lightweight and easy table of contents plugin to generate a hierarchical in-page navigation for a long webpage sectioned by heading elements.

Written in Vanilla JavaScript, without any dependencies, and is only 3.44KB and 1.37KB gzipped.

How to use it:

1. Place the minified version of the easy-toc plugin in the HTML.

<script src="./dist/easy-toc.min.js"></script>

2. Add the data-no-toc attribute to heading elements that should be ignored.

<h4 data-no-toc>This Heading will be excluded</h4>

3. Create a container to place the table of contents.

<div class="toc-wrapper">
  <div class="toc-header">Table of Contents</div>
</div>

4. Initialize the easy-toc plugin and you’re done.

let mytoc = new easy_toc( document.querySelector('.toc-wrapper'), {
    // options here
});
mytoc.init();

5. Determine an array of heading elements to be included. Default: ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'].

let mytoc = new easy_toc( document.querySelector('.toc-wrapper'), {
    include: ['h1', 'h2', 'h3']
});

6. Enable or disable the hierarchical structure. Default: true.

let mytoc = new easy_toc( document.querySelector('.toc-wrapper'), {
    hierarchical: false
});

7. Customize the anchor attached to the heading elements.

let mytoc = new easy_toc( document.querySelector('.toc-wrapper'), {
    prefix: 'easy_toc_',
    anchor_nodename: 'div',
    anchor_class: 'anchor'
});

8. API methods.

// update the TOC
mytoc.update();

// destroy the TOC
mytoc.destroy();

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