From cda49e03018d3dbbe8b9dc3927719471150c1608 Mon Sep 17 00:00:00 2001
From: Jeffrey Tse <jeffreytse.mail@gmail.com>
Date: Tue, 24 Sep 2019 14:10:57 +0800
Subject: update: perfect animation, compatibility issue

---
 _includes/views/header.html | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

(limited to '_includes/views/header.html')

diff --git a/_includes/views/header.html b/_includes/views/header.html
index 835d4cb..f23401f 100644
--- a/_includes/views/header.html
+++ b/_includes/views/header.html
@@ -62,21 +62,14 @@
 
 <script>
   (function() {
-    var supportPageOffset = window.pageXOffset !== undefined;
-    var isCSS1Compat = ((document.compatMode || "") === "CSS1Compat");
-
-    function scrollY() {
-      return supportPageOffset ? window.pageYOffset : isCSS1Compat ? document.documentElement.scrollTop : document.body.scrollTop;
-    }
-
-    var lastScrollY = scrollY();
-    var dataset = document.documentElement.dataset;
+    var lastScrollY = getScrollPos().y;
+    var documentElement = document.documentElement;
 
     function storeScrollData() {
-      var y = scrollY();
+      var y = getScrollPos().y;
 
       {%- if banner and header_transparent -%}
-      dataset.headerTransparent = "";
+      documentElement.setAttribute("data-header-transparent", "");
       {%- endif -%}
 
       var scrollStatus = "";
@@ -91,7 +84,7 @@
       }
 
       lastScrollY = y;
-      dataset.scrollStatus = scrollStatus;
+      documentElement.setAttribute("data-scroll-status", scrollStatus);
     }
 
     window.addEventListener('scroll', function(e) {
-- 
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