Geolocation with add marker function

[Menghuy]

Hello, 

I tried to search on Internet a lot, but I couldn't find the answer.

Is it possible to use geolocation with addmarker function in Google map api javascript? 

[Barry Hunter]

Do you mean the browser Geolocation API?

https://developer.mozilla.org/en-US/docs/Web/API/Geolocation_API

... ie find the visitors location, and then let them create a Marker at that location?

Or maybe mean just show a fancy marker to 'show' the user their location?

... in short yes, should be able to use Geolocation API with the Maps API 

Something like this kinda demonstrates what would do... 

navigator.geolocation.getCurrentPosition(function(position) {
  addMarker(position.coords.latitude, position.coords.longitude);
});

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

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[Menghuy]

Yeah thank you Barry. I want to know if i could use this 2 functions (geolocation and addmarker) together on the google map api javascript, because the geolocation function not working when there are add marker function on the same code.

[Barry Hunter]

Well fundermentally it should be possible. Sounds like some incompatibility with how you've combined them. 

But without seeing your code its hard to guess what happened. 

... if you post a link to your testing code, there might just be enough of us still in this group to take a look. 

[Menghuy]

 var locations = [

      ['My Aunt house', 11.5609370, 104.8714615],

      ['My teacher house', 11.5609370, 104.8754615],

      ['jing', 11.5609370, 104.8734615],

    ];

    var map = new google.maps.Map(document.getElementById('map'), {

      zoom: 10,

      center: new google.maps.LatLng(11.5609370, 104.8714615),

      mapTypeId: google.maps.MapTypeId.ROADMAP

    });

    var infowindow = new google.maps.InfoWindow();

    var marker, i;

    for (i = 0; i < locations.length; i++) { 

      marker = new google.maps.Marker({

        position: new google.maps.LatLng(locations[i][1], locations[i][2]),

        map: map

      });

      google.maps.event.addListener(marker, 'click', (function(marker, i) {

        return function() {

          infowindow.setContent(locations[i][0]);

          infowindow.open(map, marker);

        }

      })(marker, i));

    }

function getLocation() {

  if (navigator.geolocation) {

    navigator.geolocation.getCurrentPosition(showPosition);

  } else {

    x.innerHTML = "Geolocation is not supported by this browser.";

  }

}

function showPosition(position) {

  var myMarker = new google.maps.Marker({

    position: new google.maps.LatLng(position.coords.latitude, position.coords.longitude),

  });

  map.setCenter(myMarker.position);

  myMarker.setMap(map);

}

getLocation();

[Menghuy]

The add marker function work fine, however the geolocation function just ask to allow the location but not show the marker current location. Is it possible to make the current location visible along the added markers on the map?