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<!DOCTYPE html>
<html>
<head>
<title></title>
<script type="text/javascript" src="../../distrib/jsxgraphcore.js"></script>
<link rel="stylesheet" type="text/css" href="../../distrib/jsxgraph.css" />
<script type="text/javascript" src="../jquery-3.5.1.min.js"></script>
</head>
<body>
<div id="box" style="width:500px; height:500px;"></div>
<script type="text/javascript">
(function () {
var board = JXG.JSXGraph.initBoard('box', {boundingbox: [-5, 5, 5, -5], axis: true}),
points = [], no = 3, i,
group;
for (i = 0; i < no; i++) {
points.push(board.create('point', [Math.random()*8-4, Math.random()*8-4]));
}
var test = board.create('polygon', points);
board.create('polygon', points);
group = board.create('group', points);
//group.addPoints(points);
//group.removePoint(points[1]);
board.removeObject(test);
})();
</script>
</body>
</html>
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