Incorporate the coordinates of Google Maps markers into your form submission

After a user clicks a position on the map, the following javascript function retrieves a javascript variable named marker containing coordinates.

var marker;
function placeMarker(location) {
  if ( marker ) {
    marker.setPosition(location);
  } else {
    marker = new google.maps.Marker({
      position: location,
      map: map
    });
  }
}
google.maps.event.addListener(map, 'click', function(event) {
  placeMarker(event.latLng);
});

Query What is one way to utilize these coordinates as a form input?

<form method="POST" action="/authors" target="" enctype="multipart/form-data">
   ...
</form>

Answer №1

To incorporate the location variable into your form input, follow these steps:

Step one, add a hidden input field:

<form method="POST" action="/authors" target="" enctype="multipart/form-data">
   <input id="location" name="location" type="hidden" value="" />
</form>

Step two, ensure the location variable is included in your input:

var marker;
function placeMarker(location) {
  if ( marker ) {
    marker.setPosition(location);
  } else {
    marker = new google.maps.Marker({
      position: location,
      map: map
    });
  }

  $("#location").val(location);
}
google.maps.event.addListener(map, 'click', function(event) {
  placeMarker(event.latLng);
});

Now, each time placeMarker(location) is invoked, it will update the input with the id "location" and its value will be the result of location.

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