diff --git a/examples/resources/Promise.allSettled.js b/examples/resources/Promise.allSettled.js
deleted file mode 100644
index e8822b2db4..0000000000
--- a/examples/resources/Promise.allSettled.js
+++ /dev/null
@@ -1,21 +0,0 @@
-if (typeof Promise !== 'undefined' && !Promise.allSettled && Array.from) {
- Promise.allSettled =
- function (promises) {
- return Promise.all(
- Array.from(
- promises,
- function (p) {
- return p.then (
- function (value) {
- return {status: 'fulfilled', value: value};
- }
- ).catch(
- function (reason) {
- return {status: 'rejected', reason: reason};
- }
- );
- }
- )
- )
- };
-}
diff --git a/examples/templates/example.html b/examples/templates/example.html
index e60def9d5e..fdead5dd47 100644
--- a/examples/templates/example.html
+++ b/examples/templates/example.html
@@ -68,8 +68,8 @@
-
-
+
+
{{{ extraHead.local }}}
{{{ css.tag }}}
{{ title }}
@@ -194,8 +194,9 @@
<title>{{ title }}</title>
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
<script src="https://unpkg.com/elm-pep"></script>
- <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
- <script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,URL,TextDecoder,Number.isInteger"></script>{{#if extraHead.remote}}
+ <!-- The lines below are only needed for old environments like Internet Explorer and Android 4.x -->
+ <script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,TextDecoder"></script>
+ <script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/3.18.3/minified.js"></script>{{#if extraHead.remote}}
{{ indent extraHead.remote spaces=4 }}{{/if}}
<style>
.map {
diff --git a/site/index.html b/site/index.html
index 740bfff0d1..6f5a356e6d 100644
--- a/site/index.html
+++ b/site/index.html
@@ -7,8 +7,9 @@
-
-
+
+
+