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diff --git a/docs/src/templates/assets/javascripts/polyfills/index.ts b/docs/src/templates/assets/javascripts/polyfills/index.ts
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+/*
+ * Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/* ----------------------------------------------------------------------------
+ * Polyfills
+ * ------------------------------------------------------------------------- */
+
+/* Polyfill `Object.entries` */
+if (!Object.entries)
+  Object.entries = function (obj: object) {
+    const data: [string, string][] = []
+    for (const key of Object.keys(obj))
+      // @ts-expect-error - ignore property access warning
+      data.push([key, obj[key]])
+
+    /* Return entries */
+    return data
+  }
+
+/* Polyfill `Object.values` */
+if (!Object.values)
+  Object.values = function (obj: object) {
+    const data: string[] = []
+    for (const key of Object.keys(obj))
+      // @ts-expect-error - ignore property access warning
+      data.push(obj[key])
+
+    /* Return values */
+    return data
+  }
+
+/* ------------------------------------------------------------------------- */
+
+/* Polyfills for `Element` */
+if (typeof Element !== "undefined") {
+
+  /* Polyfill `Element.scrollTo` */
+  if (!Element.prototype.scrollTo)
+    Element.prototype.scrollTo = function (
+      x?: ScrollToOptions | number, y?: number
+    ): void {
+      if (typeof x === "object") {
+        this.scrollLeft = x.left!
+        this.scrollTop = x.top!
+      } else {
+        this.scrollLeft = x!
+        this.scrollTop = y!
+      }
+    }
+
+  /* Polyfill `Element.replaceWith` */
+  if (!Element.prototype.replaceWith)
+    Element.prototype.replaceWith = function (
+      ...nodes: Array<string | Node>
+    ): void {
+      const parent = this.parentNode
+      if (parent) {
+        if (nodes.length === 0)
+          parent.removeChild(this)
+
+        /* Replace children and create text nodes */
+        for (let i = nodes.length - 1; i >= 0; i--) {
+          let node = nodes[i]
+          if (typeof node === "string")
+            node = document.createTextNode(node)
+          else if (node.parentNode)
+            node.parentNode.removeChild(node)
+
+          /* Replace child or insert before previous sibling */
+          if (!i)
+            parent.replaceChild(node, this)
+          else
+            parent.insertBefore(this.previousSibling!, node)
+        }
+      }
+    }
+}