get location from navigator

public/assets/js/users-search.js

@@ -56,4 +56,12 @@ window.onload = function () {
       }
     })
   ;
+
+  if (navigator.geolocation) {
+    navigator.geolocation.getCurrentPosition(function(position) {
+        $('#latitude-input').val(position.coords.latitude);
+        $('#longitude-input').val(position.coords.longitude);
+        $('#location-button').toggleClass('disabled');
+    });
+  }
 }
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