arrive2.4.1arrive.js provides events to watch for DOM elements creation and removal. It makes use of Mutation Observers internally.
vue-ls4.2.0Vue plugin for work with Local Storage from Vue context
watch2.0.4jQuery plugin for watching CSS property or element attribute changes.
sentinel-js0.0.7JS library that detects new DOM nodes using CSS selectors
css-vars-ponyfill2.4.9Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers