JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdn.jsdelivr.net/npm/[email protected]/distrib/jsxgraphcore.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/distrib/jsxgraph.css">
    <div id='jxgbox' class='jxgbox jxgnew'></div>

CSS

div.jxgnew {
            aspect-ratio: 1/1;
            max-width: 500px;
            margin: 0 auto;
            overflow:hidden;
        }

JavaScript

const board = JXG.JSXGraph.initBoard('jxgbox', { 
    boundingbox: [-5, 5, 5, -5], axis:true,
    moveTarget: document
});
    var pol = board.create('polygon', [[-3,-3], [3,-3], [1,4]], {
            fillColor: 'yellow'
    });