For you:
https://github.com/Chemita23/WS2812FX_web_GRBW
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
For you:
https://github.com/Chemita23/WS2812FX_web_GRBW