map.hash = L.hash(map);
- $(window).on('popstate', function() {
- map.hash.update();
+ $(window).on('popstate', function(e) {
+ // popstate is triggered when the hash changes as well as on actual navigation
+ // events. We want to update the hash on the latter and not the former.
+ if (e.originalEvent.state) {
+ map.hash.update();
+ }
});
var copyright = I18n.t('javascripts.map.copyright', {copyright_url: '/copyright'});