The code snippet presented in this page can be used to add a google map image in web page with the location of the visitor's internet connection, using the geolocation JavaScript object.


Script code

<h4>Example Google Map with Geolocation JavaScript</h4>
<p>Click on this button to show a map with geolocation of your internet connection.</p>

<button id="get_geoloc">Show Geolocation</button>
<div id="geoloc_resp"></div>
<script>
function showGeoLoc(){
 var geoloc_resp = document.getElementById('geoloc_resp'); //element to add geolocation response

 //if the browser not support geolocation, show message
 if(!navigator.geolocation){
 geoloc_resp.innerHTML ='Geolocation is not supported by your browser';
 return;
 }

 geoloc_resp.innerHTML ='LOADING...';

 //get latitude and longitude position
 navigator.geolocation.getCurrentPosition(function(position){
 var latt = position.coords.latitude;
 var long = position.coords.longitude;
 var img_size = {w:400, h:350}; //image size

 //add in #geoloc_resp google map image with location
 geoloc_resp.innerHTML ='Latitude is: '+ latt +'<br>Longitude is: '+ long +'<br><img src="https://maps.googleapis.com/maps/api/staticmap?center='+ latt +','+ long +'&zoom=14&size='+ img_size.w +'x'+ img_size.h +'&markers=color:red|size:mid|'+ latt +','+ long +'" alt="Google map location" width=""'+ img_size.w +'" height="'+ img_size.h +'" />';
 }, function(err){
 //in case or error, show error message and its code
 geoloc_resp.innerHTML ='Unable to retrieve your location.<br>Error code: '+ err.code +'<br>Error message: '+ err.message;
 });
}

//register click event to button to call showGeoLoc() function
var get_geoloc = document.getElementById('get_geoloc');
if(get_geoloc) get_geoloc.addEventListener('click', showGeoLoc);
</script>

Demo

Click on this button to show a map with geolocation of your internet connection.

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which attribute can be used to add CSS styles directly in the HTML tag?
type style class
<div style="width: 80%; border: 3px solid #888888;">Content</div>
Which CSS transform method distorts the HTML element in a given angle (including its content)?
translate() scale() skew()
#some_id {
  transform: skew(20deg, 25deg);
  -ms-transform: skew(20deg, 25deg);   /* IE 9 */
  -webkit-transform: skew(20deg, 25deg);   /* Safari and Chrome */
}
Click on the function which converts a Date object to a string.
indexOf() toString() getDate()
var rightnow = new Date();
alert( rightnow.toString() );
Which function applies a callback function to the elements of the given array?
array_merge() array_search() array_map()
$arr = arra("abc", "<p>xyz</p>", "<em>PHP</em>");
// apply the strip_tags() function to delete HTML tags from each array item
$arr = array_map("strip_tags", $arr);
}
Show Google Map image with Geolocation JavaScript object

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