JSFiddle - React, Tailwind, and code Playground
by karin
HTML
<canvas id="a"></canvas>
CSS
canvas{
border:thin solid #666;
}
JavaScript
var mycanvas = document.getElementById("a");
var context = mycanvas.getContext("2d");
context.strokeStyle = "#eee";
context.fillStyle = '#00f';
context.lineWidth = 4;
context.stroke();
context.fillRect (0, 0, 150, 50);
context.fillStyle = '#ddd';
context.fillRect (10, 10, 150, 50);