JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://www.eisbahn.jp/test/jcanvas.min.js"></script>
<canvas width="300" height="300"></canvas>
JavaScript
$.jCanvas.defaults.fromCenter = false;
$("canvas").drawLine({
strokeStyle: "black",
strokeWidth: 1,
x1: 50,
y1: 50,
x2: 100,
y2: 100
});