JSFiddle - React, Tailwind, and code Playground

HTML

<canvas id="myCanvas" width="500" height="300" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>

JavaScript

var ptA = [50,10];
var ptB = [200,250];
var color = '#ff0000';

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.beginPath();
ctx.moveTo(ptA[0],ptA[1]);
ctx.lineTo(ptB[0],ptB[1]);

ctx.strokeStyle = color;
ctx.stroke();