JSFiddle - React, Tailwind, and code Playground

HTML

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<div id="GoogleMapControl" style="height: 200px;"></div>

JavaScript

var gMap;
$(document).ready(function() {
    var latlng = new google.maps.LatLng(55.755327, 37.622166);
    var myOptions = {
        zoom: 12,
        center: latlng,
        mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    gMap = new google.maps.Map(document.getElementById("GoogleMapControl"), myOptions);
    google.maps.event.addListenerOnce(gMap, 'idle', function(){
        alert(this.getBounds());
    });
});