Issue #1440662 by marthinal, sun, nod_, bdone: Fixed Prevent links in node...

Issue #1440662 by marthinal, sun, nod_, bdone: Fixed Prevent links in node preview from being clicked.

core/modules/node/node.preview.js

@@ -3,20 +3,21 @@
 "use strict";
 
 /**
- * Disabling all links in node previews to prevent users from leaving the page.
+ * Disabling all links (except local fragment identifiers such as href="#frag")
+ * in node previews to prevent users from leaving the page.
  */
 Drupal.behaviors.nodePreviewDestroyLinks = {
   attach: function (context) {
-    var $preview = $(context).find('.node.preview').once('node-preview');
+    var $preview = $(context).find('.node').once('node-preview');
     if ($preview.length) {
-      $preview.on('click.preview', 'a', function (e) {
+      $preview.on('click.preview', 'a:not([href^=#])', function (e) {
         e.preventDefault();
       });
     }
   },
   detach: function (context, settings, trigger) {
     if (trigger === 'unload') {
-      var $preview = $(context).find('.node.preview').removeOnce('node-preview');
+      var $preview = $(context).find('.node').removeOnce('node-preview');
       if ($preview.length) {
         $preview.off('click.preview');
       }