JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html><html><head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Candlestick</title>
<style>
html {
	margin: 0px;
}
body {
	margin: 20px 30px;
}
#realchart {
	width: 850px;
	height: 550px;
    border: 1px solid lightgray;
    margin-bottom: 20px;
}
</style>
<link href="https://unpkg.com/realchart/realchart-style.css" rel="stylesheet" crossorigin="anonymous">
<script type="text/javascript" src="https://unpkg.com/realchart/index"></script>
<script type="text/javascript">
	window.addEventListener('DOMContentLoaded', function () {
		try {
			init();
		} catch (err) {
			alert(err);
			console.error(err);
		}
	});	
	
</script>

  <script>
    var realChartLic = 'upVcPE+wPOkOR/egW8JuxkM/nBOseBrflwxYpzGZyYkhw7qfHRQ+GiF0lY62mJi5KBwoSJHOA48O5+/xJSE3LhLB4LkQ8rWX0QeIbtyyIEGTFVqWmNPdyQ==';
  </script>
</head>
<body>
	<div id="realchart"></div>
	

		 </body></html>

JavaScript

const stockData = [{
  date: '2021-04-01',
  openprc: 82500,
  highprc: 83000,
  lowprc: 82000,
  closeprc: 82900
}, {
  date: '2021-04-02',
  openprc: 84000,
  highprc: 85200,
  lowprc: 83900,
  closeprc: 84800
}, {
  date: '2021-04-05',
  openprc: 85800,
  highprc: 86000,
  lowprc: 84800,
  closeprc: 85400
}, {
  date: '2021-04-06',
  openprc: 86200,
  highprc: 86200,
  lowprc: 85100,
  closeprc: 86000
}, {
  date: '2021-04-07',
  openprc: 86100,
  highprc: 86200,
  lowprc: 85400,
  closeprc: 85600
}, {
  date: '2021-04-08',
  openprc: 85700,
  highprc: 85700,
  lowprc: 84100,
  closeprc: 84700
}, {
  date: '2021-04-09',
  openprc: 84700,
  highprc: 84900,
  lowprc: 83400,
  closeprc: 83600
}, {
  date: '2021-04-12',
  openprc: 84100,
  highprc: 84100,
  lowprc: 83100,
  closeprc: 83200
}, {
  date: '2021-04-13',
  openprc: 83000,
  highprc: 84500,
  lowprc: 82800,
  closeprc: 84000
}, {
  date: '2021-04-14',
  openprc: 84000,
  highprc: 84300,
  lowprc: 83400,
  closeprc: 84000
}, {
  date: '2021-04-15',
  openprc: 83700,
  highprc: 84500,
  lowprc: 83400,
  closeprc: 84100
}, {
  date: '2021-04-16',
  openprc: 84700,
  highprc: 84700,
  lowprc: 83600,
  closeprc: 83900
}, {
  date: '2021-04-19',
  openprc: 83800,
  highprc: 84000,
  lowprc: 83300,
  closeprc: 83300
}, {
  date: '2021-04-20',
  openprc: 83300,
  highprc: 84000,
  lowprc: 83100,
  closeprc: 83900
}, {
  date: '2021-04-21',
  openprc: 83300,
  highprc: 83500,
  lowprc: 82500,
  closeprc: 82600
}, {
  date: '2021-04-22',
  openprc: 82900,
  highprc: 83000,
  lowprc: 82400,
  closeprc: 82400
}, {
  date: '2021-04-23',
  openprc: 81900,
  highprc: 82900,
  lowprc: 81600,
  closeprc: 82800
}, {
  date: '2021-04-26',
  openprc: 82900,
  highprc: 83500,
  lowprc: 82600,
  closeprc: 83500
}, {
  date: '2021-04-27',
  openprc: 83200,
  highprc: 83300,
  lowprc: 82500,
  closeprc: 82900
}, {
  date: '2021-04-28',
  openprc: 83200,
  highprc: 83200,
  lowprc: 82100,
  closeprc: 82100
}, {
  date:...