JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Polygon Arrays</title>
    <style>
        html, body, #map-canvas
        {
            height: 100%;
            margin: 0px;
            padding: 0px;
        }
    </style>
    <script src="https://maps.googleapis.com/maps/api/js?sensor=false"></script>
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/js-map-label@1.0.1/src/maplabel-compiled.min.js"></script>
    <script>
        var map;
        var infoWindow;

        function initialize() {
            var mapOptions = {
                zoom: 18,
                center: new google.maps.LatLng(50.71392, -1.983551),
                mapTypeId: google.maps.MapTypeId.ROADMAP
            };

            var mypolygon;

            map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);

            // Define the LatLng coordinates for the polygon.
            var triangleCoords = [
            new google.maps.LatLng(50.71433, -1.98392),
            new google.maps.LatLng(50.71393, -1.98239),
            new google.maps.LatLng(50.71388, -1.98226),
            new google.maps.LatLng(50.71377, -1.98246),
            new google.maps.LatLng(50.71332, -1.98296),
            new google.maps.LatLng(50.71334, -1.98324),
            new google.maps.LatLng(50.71374, -1.9845),
            new google.maps.LatLng(50.71436, -1.98389)];

            // Construct the polygon.
            mypolygon = new google.maps.Polygon({
                paths: triangleCoords,
                strokeColor: '#FF0000',
                strokeOpacity: 0.8,
                strokeWeight: 3,
                fillColor: '#FF0000',
                fillOpacity: 0.35
            });

            mypolygon.setMap(map);

            //Define position of label
            var myLatlng = new google.maps.LatLng(50.71392, -1.983551);

            var mapLabel = new MapLabel({
    ...