JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//maps.googleapis.com/maps/api/js?version=3.exp"></script>
<div id="map" style="width: 100%; height: 600px"></div>

CSS

.infoWindow {
    font-family: sans-serif;
    font-weight: normal !important;
    font-size: 14pt;
}

JavaScript

// Create map
map = new google.maps.Map(document.getElementById('map'), {
    zoom: 4,
    center: new google.maps.LatLng(-30, 145.5),
    mapTypeId: google.maps.MapTypeId.ROADMAP
});

// Create marker
marker = new google.maps.Marker({
    position: new google.maps.LatLng(-37.8181, 145.119),
    map: map,
    title: 'Title here'
});

// Create InfoWindow
infoWindow = new google.maps.InfoWindow({
    content:'<div class="infoWindow">' +
    'Aaa bbb ccc dasd' +
    '</div>';
});

google.maps.event.addListener(marker, 'click', function(){
    console.time('a');
    infoWindow.open(map, marker);
    
});

infoWindow.open(map, marker);