refactor: correctly consuming this package x-environment

mfranzke · mfranzke · commit bd34c0cf1430 · 2021-12-27T18:53:05.000+01:00
diff --git a/demo/index.html b/demo/index.html
@@ -47,7 +47,11 @@
 		<link rel="stylesheet" href="../dist/loading-attribute-polyfill.css" />
 
 		<!-- Include polyfill for custom elements and built-in extends support -->
-		<script src="//unpkg.com/@ungap/custom-elements"></script>
+		<script
+			src="https://unpkg.com/@ungap/custom-elements@1.0.0/min.js"
+			integrity="sha384-Qnq8e4Wl3sSEVAjRedbJV4qEzrdUTWrz34w5/aTeTwdbf71mHIS7+LbnfDdazp+6"
+			crossorigin="anonymous"
+		></script>
 	</head>
 	<body>
 		<header>
