JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://maps.google.com/maps/api/js?sensor=false&amp;.js"></script>
<div id="map"></div>

CSS

#map {
    width: 500px;
    height: 500px;
}

JavaScript

var map;
var delay = 100;
var infowindow = new google.maps.InfoWindow();
var latlng = new google.maps.LatLng(21.0000, 78.0000);
var geocoder = new google.maps.Geocoder();
var bounds = new google.maps.LatLngBounds();
var nextAddress = 0;

function initialize() {
    var mapOptions = {
        zoom: 5,
        center: latlng,
        mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    map = new google.maps.Map(document.getElementById("map"), mapOptions);
    theNext();
}

function geocodeAddress(address, next) {
    geocoder.geocode({
        address: address
    }, function (results, status) {
        if (status == google.maps.GeocoderStatus.OK) {
            var p = results[0].geometry.location;
            var lat = p.lat();
            var lng = p.lng();
            createMarker(address, lat, lng);
        } else {
            if (status == google.maps.GeocoderStatus.OVER_QUERY_LIMIT) {
                nextAddress--;
                delay++;
            } else {}
        }
        next();
    });
}

function createMarker(add, lat, lng) {
    var contentString = add;
    var marker = new google.maps.Marker({
        position: new google.maps.LatLng(lat, lng),
        map: map
    });

    google.maps.event.addListener(marker, 'click', function () {
        infowindow.setContent(contentString);
        infowindow.open(map, marker);
    });

    bounds.extend(marker.position);
}

function theNext() {
    if (nextAddress < locations.length) {
        setTimeout('geocodeAddress("' + locations[nextAddress] + '",theNext)', delay);
        nextAddress++;
    } else {
        map.fitBounds(bounds);
    }
}

google.maps.event.addDomListener(window, 'load', initialize);

var locations = ['SO21 3NE','Horsham','RG45 7EG',
    'New Delhi, India',
    'Mumbai, India',
    'Bangaluru, Karnataka, India',
    'Hyderabad, Ahemdabad, India',
    'Gurgaon, Haryana, India',
    'Cannaught Place, New Delhi, India',
    'Bandra, Mumbai, India',
    'Nainital, Uttranchal, India',
   ...