Fix exception in $.scrollParent

7 years ago · 5ce239d211
parent 437eb8dd54
commit 5ce239d211
1 changed files with 1 additions and 1 deletions
--- a/assets/javascripts/lib/util.coffee
+++ b/assets/javascripts/lib/util.coffee
@ -158,7 +158,7 @@ $.offset = (el, container = document.body) ->
  left: left

 $.scrollParent = (el) ->
-  while el = el.parentNode
+  while el.nodeType is 1 and el = el.parentNode
    break if el.scrollTop > 0
    break if getComputedStyle(el)?.overflowY in ['auto', 'scroll']
  el