JSFiddle - React, Tailwind, and code Playground
HTML
<canvas id = "canvas" style="width: 320px; height: 240px; border:1px solid #d3d3d3;"></canvas>
JavaScript
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
ctx.beginPath();
ctx.arc(160, 75, 50, 0, 2 * Math.PI, false);
ctx.lineWidth = 15;
ctx.strokeStyle = "#0f0";
ctx.stroke();
$('body').append($('<img>').attr('src', canvas.toDataURL()));