Fix event test so it doesn't break without an event parameter

kriszyp · May 27, 2012 · 13c4df8 · 13c4df8
1 parent 6113cac
commit 13c4df8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/OnDemandList.js b/OnDemandList.js
@@ -169,7 +169,7 @@ return declare([List, _StoreMixin], {
 		var grid = this,
 			scrollNode = grid.bodyNode,
 			transform = grid.contentNode.style.webkitTransform,
-			visibleTop = event.pseudoTouch ? scrollNode.instantScrollTop : scrollNode.scrollTop,
+			visibleTop = event && event.pseudoTouch ? scrollNode.instantScrollTop : scrollNode.scrollTop,
 			visibleBottom = scrollNode.offsetHeight + visibleTop,
 			priorPreload, preloadNode, preload = grid.preload,
 			lastScrollTop = grid.lastScrollTop,