detector de ubicación en tiempo real que no pida permisos para ejecutar en html

<div class="geo">
<h3>Where are you?</h3>
<p id="status">getting geolocation data&hellip;</p>
<p id="map">
<em>Geolocation not supported by your browser.</em>
</p>
</div>
<script>
// Create a variable to hold our map
var map;
// Create a new blank array for all the listing markers.
var markers = [];
// This global polygon variable is to ensure only ONE polygon is rendered.
var polygon = null;

function initMap() {
  // Create a styles array to use with the map.
  var styles = [
    {
      featureType: "water",
      stylers: [
        { color: "#19a0d8" }
      ]
    },{
      featureType: "administrative",
      elementType: "labels.text.stroke",
      stylers: [
        { color: "#ffffff" },
        { weight: 6 }
      ]
    },{
      featureType