limit body click selector to tags with a hash target

app/assets/javascripts/application.js

@@ -90,9 +90,9 @@
     Cookies.defaults.path = gon.relative_url_root || '/';
 
     // `hashchange` is not triggered when link target is already in window.location
-    $body.on('click', 'a', function() {
+    $body.on('click', 'a[href^="#"]', function() {
       var href = this.getAttribute('href');
-      if (href && href.indexOf('#') === 0 && href.substr(1) === gl.utils.getLocationHash()) {
+      if (href.substr(1) === gl.utils.getLocationHash()) {
         setTimeout(gl.utils.handleLocationHash, 1);
       }
     });