JSFiddle - React, Tailwind, and code Playground
HTML
<canvas id="test"></canvas>
JavaScript
var ctx=document.getElementById("test").getContext('2d');
ctx.moveTo(2,2);
ctx.beginPath();
ctx.lineTo(100,2);
ctx.lineTo(100,50);
ctx.lineTo(2,50);
ctx.lineTo(2,2)
ctx.closePath();
ctx.stroke();