This is a sticky on-page navigation (a.k.a table of contents) that automatically highlights the active menu items based on the visibility of their corresponding content sections within the document.
Tocbot is an easy yet highly customizable TOC (table of contents) generator created with pure JavaScript.
A small pure JavaScript scrollspy library that automatically highlights navigation items based upon scroll position to indicate which content section is currently active in the viewport.
A standalone JavaScript library which dynamically generates semantic, SEO-friendly, hierarchical table of contents from heading elements within your long document.
scrollNav.js is a JavaScript library used to automatically generate a nav list from heading elements (or any other header elements) so that the users are able to quickly navigate between page sections within your long web app.
A vanilla JavaScript TOC plugin used to generate a list based hierarchical table of contents for long web content.
TOC is a jQuery-free JavaScript plugin that automatically generate a table of contents from HTML heading tags of your long content.
Yet another table of contents generator written in pure JavaScript. The table of contents generator makes it easier to generate a in-page navigation from all the healing elements within the document.
This is a pretty cool side TOC & navigation system which allows to highlight the current nav item with an animated progress line when you scroll through the webpage.