JSFiddle - React, Tailwind, and code Playground

HTML

<canvas id="coordiv"  width=500 height=500> </canvas>
<input type="text" id="dcol" value="red" />

JavaScript

var c, context;

c = document.getElementById("coordiv");
context = c.getContext("2d");
context.fillStyle = "white";
context.fillRect(0, 0, c.width, c.height);