diff --git a/core/misc/drupal.js b/core/misc/drupal.js
index d363f3adc2..f9c22198d8 100644
--- a/core/misc/drupal.js
+++ b/core/misc/drupal.js
@@ -642,6 +642,14 @@ window.Drupal = { behaviors: {}, locale: {} };
    * @return {string}
    *   The formatted text (html).
    */
+  Drupal.cleanId = function (input) {
+    if (typeof input !== 'string') return input;
+    return input
+      .replace(/[\s_[]/g, '-')
+      .toLowerCase()
+      .replace(/[^A-Za-z0-9\-_]/g, '')
+      .replace(/-+/g, '-');
+  };
   Drupal.theme.placeholder = function (str) {
     return `<em class="placeholder">${Drupal.checkPlain(str)}</em>`;
   };
diff --git a/core/misc/form.js b/core/misc/form.js
index c02220c099..b832bc6dff 100644
--- a/core/misc/form.js
+++ b/core/misc/form.js
@@ -286,7 +286,7 @@
     } else {
       url = window.location;
     }
-    const hash = url.hash.substr(1);
+    const hash = Drupal.cleanId(url.hash.substr(1));
     if (hash) {
       const $target = $(`#${hash}`);
       $('body').trigger('formFragmentLinkClickOrHashChange', [$target]);