diff --git a/core/includes/common.inc b/core/includes/common.inc
index 0b95dcd..7f1a0b2 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -3967,6 +3967,9 @@ function drupal_region_class($region) {
  *   - browsers: An array containing information specifying which browsers
  *     should load the JavaScript item. See
  *     drupal_pre_render_conditional_comments() for details.
+ *   - attributes: An associative array of custom additional attributes for the
+ *     rendered HTML element. Note that attributes resulting of other specified
+ *     options cannot be overridden.
  *
  * @return
  *   The current array of JavaScript files, settings, and in-line code,
@@ -4286,6 +4289,11 @@ function drupal_pre_render_scripts($elements) {
           }
         }
 
+        // Apply custom HTML element attributes, if any have been specified.
+        if (!empty($item['attributes'])) {
+          $element['#attributes'] += $item['attributes'];
+        }
+
         $elements[] = $element;
       }
     }