Add back in pageYOffset catch from #5

jh3y · Oct 30, 2015 · 76cfab1 · 76cfab1
1 parent 946560a
commit 76cfab1
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/coffee/doormat.coffee b/src/coffee/doormat.coffee
@@ -40,10 +40,11 @@ doormat = window.doormat = (el) ->
     calibratePanels()
   window.onscroll = (e) ->
     cur = doormat.current
-    cur.style.top = -(window.scrollY - cur.DOORMAT_POS) + 'px';
-    if window.scrollY > (cur.DOORMAT_HEIGHT + cur.DOORMAT_POS)
+    scroll = window.scrollY or window.pageYOffset
+    cur.style.top = -(scroll - cur.DOORMAT_POS) + 'px';
+    if scroll > (cur.DOORMAT_HEIGHT + cur.DOORMAT_POS)
       if cur.nextElementSibling
         setNew 'next'
-    else if window.scrollY < cur.DOORMAT_POS
+    else if scroll < cur.DOORMAT_POS
       if cur.previousElementSibling
         setNew 'previous'