JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://jongomez.github.io/numgl/src/numgl.js"></script>

<img id ="image" crossorigin="anonymous" src="https://pbs.twimg.com/profile_images/650100474226458625/-nngF2Y1_400x400.jpg" width="480" height="360">

CSS

img {
    display:none;
}

JavaScript

var imageId = numgl.store_picture("image");

numgl.show_canvas(imageId);
numgl.threshold(imageId, 80);
numgl.do_it();