Automatic Dark Mode Switcher – darkmode.js
darkmode.js is a smart dark mode switcher that automatically switches between dark theme of light theme of your page based on the user’s local time and system scheme.
JavaScript & CSS dark mode
Minimal Dark Mode Toggler With CSS Variables – darken.js
darken.js is a lightweight (2.5kb minified) JavaScript library that makes it easier to enable Dark Mode on your page using CSS variables.
Minimal JS Implementation Of The Dark Mode On The Webpage
This is the simplest JavaScript implementation of the dark mode that uses classList to toggle between dark theme and light theme on the webpage.
Add Dark Mode To Webpage Using CSS mix-blend-mode – Darkmode.js
Darkmode.Js is an easy-to-use JavaScript Dark Mode library which turns your webpage to dark (night) mode. Highly customizable and cookies enabled.