JSFiddle - React, Tailwind, and code Playground

by Lawrence Ross

HTML

<script src="https://maps.googleapis.com/maps/api/js?libraries=geometry,places&amp;ext=.js"></script>
<div id="map_canvas"></div>
<div class="markerImage">
  <svg width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg">
    <defs>
      <linearGradient id="myGradient" gradientUnits="userSpaceOnUse" x1="5" y1="16" x2="27" y2="16" gradientTransform="rotate(90 16 16)">
        <stop offset="0" stop-color="white" />
        <stop offset="1" stop-color="black" />
      </linearGradient>
      <filter id="dropshadow">
        <feGaussianBlur in="SourceAlpha" stdDeviation="1" />
        <feOffset dx="0" dy="0" result="offsetblur" />
        <feFlood flood-color="#000" flood-opacity=".25" />
        <feComposite in2="offsetblur" operator="in" />
        <feMerge>
          <feMergeNode/>
          <feMergeNode in="SourceGraphic" />
        </feMerge>
      </filter>
    </defs>
    <path fill="{{background}}" stroke="white" stroke-width="1.5" style="filter:url(#dropshadow)" d="M3.5 3.5h25v25h-25z" />
    <path opacity=".15" fill="url(#myGradient)" d="M5 5h22v22H5z" />
    <path fill="#88D063" d="m12.18182,8.90909v2.72727c0,1.8 1.5,2.78182 3.27273,2.72727v7.09091c-0.88691,-1.77273 -2.72727,-3.81818 -5.45455,-2.72727c0,0 1.63636,4.36364 6,4.36364s6,-4.36364 6,-4.36364c-2.72727,-1.09091 -4.56873,0.95455 -5.45454,2.72727v-7.09091c1.77272,0.05455 3.27273,-0.92727 3.27273,-2.72727v-2.72727l-2.18182,2.18182l-1.63636,-2.18182l-1.63636,2.18182l-2.18182,-2.18182z"
    />
  </svg>
</div>

CSS

html,
body,
#map_canvas {
  height: 100%;
  width: 100%;
  margin: 0px;
  padding: 0px
}
.markerImage {
  display: none;
}

JavaScript

var geocoder;
var map;
var colors = ['#FF4847', '#ffd454', '#88D063'];
function initialize() {
  var map = new google.maps.Map(
    document.getElementById("map_canvas"), {
      center: new google.maps.LatLng(37.4419, -122.1419),
      zoom: 13,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    });
/*  new google.maps.Marker({
    position: map.getCenter(),
    map: map,
    icon: {
      anchor: new google.maps.Point(16, 16),
      url: 'data:image/svg+xml;utf-8, \
      <svg width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg"> \
        <path fill="red" stroke="white" stroke-width="1.5" d="M3.5 3.5h25v25h-25z" ></path> \
      </svg>'
    }
  });
*/
var $markerImage = document.querySelector('.markerImage'),
  markerImageSvg = $markerImage.innerHTML || '';
new google.maps.Marker({
    position: map.getCenter(),
    map: map,
    clickable: false,
    icon: {
      anchor: new google.maps.Point(16, 16),
      url: 'data:image/svg+xml;charset=utf-8,' + encodeURIComponent(markerImageSvg.replace('{{background}}', colors[0]))
    }
  });
}
google.maps.event.addDomListener(window, "load", initialize);