Init

themes/hextra/assets/js/head/banner.js

@@ -0,0 +1,6 @@
+// The section must not be in the banner.js (body) file because it can create a quick flash.
+
+if (localStorage.getItem('{{ site.Params.banner.key | default `banner-closed` }}')) {
+  document.documentElement.style.setProperty("--hextra-banner-height", "0px");
+  document.documentElement.classList.add("hextra-banner-hidden");
+}