JSFiddle - React, Tailwind, and code Playground
by Andrew Gerst
JavaScript
var canvas = document.createElement('canvas');
canvas.width = 300;
canvas.height = 300;
var ctx = canvas.getContext('2d');
ctx.fillStyle = 'rgb(200, 0, 0)';
ctx.fillRect(10, 10, 55, 50);
ctx.fillStyle = 'rgba(0, 0, 200, 0.5)';
ctx.fillRect(30, 30, 55, 50);
document.body.appendChild(canvas);