JSFiddle - React, Tailwind, and code Playground

by Pradeep Shankar

HTML

<script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"></script>
<div id="map" style="height: 400px; width: 500px;"></div>

JavaScript

var locations = [
       ['Bondi Beach', -33.890542, 151.274856, 4],
       ['Coogee Beach', -33.923036, 151.259052, 5],
       ['Cronulla Beach', -34.028249, 151.157507, 3],
       ['Manly Beach', -33.80010128657071, 151.28747820854187, 2],
       ['Maroubra Beach', -33.950198, 151.259302, 1]
   ];

   var map = new google.maps.Map(document.getElementById('map'), {
       zoom: 10,
       center: new google.maps.LatLng(-33.92, 151.25),
       mapTypeId: google.maps.MapTypeId.ROADMAP
   });

   var infowindow = new google.maps.InfoWindow();
   var markers = [];
   var latlongs = [];
   var marker, i;
   var goo = google.maps;
   for (i = 0; i < locations.length; i++) {
       marker = new google.maps.Marker({
           position: new google.maps.LatLng(locations[i][1], locations[i][2]),
           map: map
       });

       var Path = new goo.Polyline({
           path: [],
           geodesic: true,
           strokeColor: '#FF0000',
           strokeOpacity: 1.0,
           strokeWeight: 2,
           map: map
       });
       markers.push(marker);



       google.maps.event.addListener(marker, 'click', (function (marker, i) {
           return function () {


               var index = latlongs.map(function (element) {
                   return element[0];
               }).indexOf(markers.indexOf(marker));
               //  infowindow.setContent(locations[i][0]);
               //  infowindow.open(map, marker);
               if (index == -1) {
                   latlongs.push([markers.indexOf(marker), '{"lat": ' + marker.getPosition().lat() + ', "lng": ' + marker.getPosition().lng() + '}']);
                   Path.getPath().push(marker.getPosition());
               } else {}
           }
       })(marker, i));

       google.maps.event.addListener(marker, 'dblclick', (function (marker, i) {
           return function () {
                var index = latlongs.map(function (element) {
                   return element[0];
              ...