JSFiddle - React, Tailwind, and code Playground

by William Green

HTML

<canvas id="canvas"></canvas>

CSS

html,
body {
  margin: 0;
  padding: 0;
}

JavaScript

//global variables...
var canvas, c;

//global event handlers...
window.addEventListener('load', init);

//global functions...
function init() {
  canvas = document.getElementById('canvas');
  canvas.width = window.innerWidth-1;
  canvas.height = window.innerHeight-8;
  c = canvas.getContext('2d');
  c.width = window.innerWidth-1;
  c.height = window.innerHeight-8;
}