JSFiddle - React, Tailwind, and code Playground
HTML
<link rel="stylesheet" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css">
<script src="http://btmdxa.mat.uni-bayreuth.de/~michael/jsxgui/JSXGraph/src/loadjsxgraph.js"></script>
<div id="jxgbox"></div>
CSS
#jxgbox {
width: 500px;
height: 500px;
}
JavaScript
var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-10, 10, 10, -10], axis: false, grid: false});
var tm = board.create('tapemeasure', [[0, 0], [4, 0]], {point1: {size: 10}, point2: {color: 'red', opacity: '1'}});