Fix exception in $.scrollParent

9 years ago · 55de422d55
parent 8340ccf8da
commit 55de422d55
1 changed files with 1 additions and 1 deletions
--- a/assets/javascripts/lib/util.coffee
+++ b/assets/javascripts/lib/util.coffee
@ -157,7 +157,7 @@ $.offset = (el, container = document.body) ->
 $.scrollParent = (el) ->
  while el = el.parentElement
    break if el.scrollTop > 0
-    break if getComputedStyle(el).overflowY in ['auto', 'scroll']
+    break if getComputedStyle(el)?.overflowY in ['auto', 'scroll']
  el
 $.scrollTo = (el, parent, position = 'center', options = {}) ->