diff -u b/core/misc/tabledrag.js b/core/misc/tabledrag.js
--- b/core/misc/tabledrag.js
+++ b/core/misc/tabledrag.js
     // Make each applicable row draggable.
     // Match immediate children of the parent element to allow nesting.
-    $table.find('> tr.draggable, > tbody > tr.draggable').each(function () {
-      self.makeDraggable(this);
-    });
+    $table.find('> tr.draggable, > tbody > tr.draggable').each(function () { self.makeDraggable(this); });
 
     // Add a link before the table for users to show or hide weight columns.
     $table.before($('<button type="button" class="link tabledrag-toggle-weight"></button>')
@@ -238,18 +237,10 @@
 
     // Add event bindings to the document. The self variable is passed along
     // as event handlers do not have direct access to the tableDrag object.
-    $(document).on('touchmove', function (event) {
-      return self.dragRow(event.originalEvent.touches[0], self);
-    });
-    $(document).on('touchend', function (event) {
-      return self.dropRow(event.originalEvent.touches[0], self);
-    });
-    $(document).on('mousemove pointermove', function (event) {
-      return self.dragRow(event, self);
-    });
-    $(document).on('mouseup pointerup', function (event) {
-      return self.dropRow(event, self);
-    });
+    $(document).on('touchmove', function (event) { return self.dragRow(event.originalEvent.touches[0], self); });
+    $(document).on('touchend', function (event) { return self.dropRow(event.originalEvent.touches[0], self); });
+    $(document).on('mousemove pointermove', function (event) { return self.dragRow(event, self); });
+    $(document).on('mouseup pointerup', function (event) { return self.dropRow(event, self); });
 
     // React to localStorage event showing or hiding weight columns.
     $(window).on('storage', $.proxy(function (e) {
@@ -697,7 +688,7 @@
    *   The tableDrag instance.
    *
    * @return {bool|undefined}
-   *   Undefined if not dragObject is defined, false otherwise.
+   *   Undefined if no dragObject is defined, false otherwise.
    */
   Drupal.tableDrag.prototype.dragRow = function (event, self) {
     if (self.dragObject) {
@@ -822,7 +813,7 @@
    *   The pointer event.
    *
    * @return {object}
-   *   An object with x and y keys indicating the position.
+   *   An object with `x` and `y` keys indicating the position.
    */
   Drupal.tableDrag.prototype.pointerCoords = function (event) {
     if (event.pageX || event.pageY) {
@@ -846,7 +837,7 @@
    *   The pointer event.
    *
    * @return {object}
-   *   An object with x and y keys indicating the position.
+   *   An object with `x` and `y` keys indicating the position.
    */
   Drupal.tableDrag.prototype.getPointerOffset = function (target, event) {
     var docPos = $(target).offset();
@@ -1346,7 +1337,7 @@
    *   (or null for last position in the table).
    *
    * @return {object}
-   *   An object with the keys "min" and "max" to indicate the valid indent
+   *   An object with the keys `min` and `max` to indicate the valid indent
    *   interval.
    */
   Drupal.tableDrag.prototype.row.prototype.validIndentInterval = function (prevRow, nextRow) {