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Editorial Team
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Asked: 2026-06-12T10:43:36+00:00

I’m using Google Maps Geocoder to grab the latitude and longitude of an address.

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I’m using Google Maps Geocoder to grab the latitude and longitude of an address. I’m then taking that address and using Leaflet and panning the map to the latitude + longitude coordinates. However, I’m receiving an error from Firebug saying Error: Invalid LatLng object: (-33.8674869, 151.20699020000006, undefined). I know my variable geolocation returns -33.8674869, 151.20699020000006 but not the undefined. What’s causing the problem?

 <body onload="initialize()">
  <div id="result"></div>
 <div>
  <input id="address" type="textbox" value="Sydney, NSW">
  <input type="button" value="Geocode" onclick="codeAddress()">
 </div>

 <div id="map"></div>

 <script type="text/javascript">

 var map = L.map('map').setView([33.7489954, -84.3879824], 13);

  var geocoder;

  function initialize() {
    geocoder = new google.maps.Geocoder();     
  }

  function codeAddress() {
    var address = document.getElementById('address').value;
    geocoder.geocode( { 'address': address}, function(results, status) {
      if (status == google.maps.GeocoderStatus.OK) {

        var geolocation = String(results[0].geometry.location);

        var geolocation = geolocation.replace('(','');

        var geolocation = geolocation.replace(')','');      

        map.panTo([geolocation]);

      } else {
        $('#result').html('Geocode was not successful for the following reason: ' + status);
      }
    });
  };

L.tileLayer('http://{s}.tile.cloudmade.com/apikeyputhere/997/256/{z}/{x}/{y}.png', {
maxZoom: 18
}).addTo(map);

</script>
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1 Answer

  1. Editorial Team

    Replace this:

        var geolocation = String(results[0].geometry.location);

    var geolocation = geolocation.replace('(','');

    var geolocation = geolocation.replace(')','');      

    map.panTo([geolocation]);

    with that:

    map.panTo([results[0].geometry.location.lat(),results[0].geometry.location.lng()]);

    Explanation:
    You assign a string to the first array-value, it’s the same as:

    geolocation=new Array('-33.8674869, 151.20699020000006')//contains 1 string

    The string will not be evaluated, it will remain 1 string, but you need an array with 2 floats:

    geolocation=new Array(-33.8674869, 151.20699020000006)//contains 2 floats

    The undefined is the missing 2nd item of the array provided to panTo()

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