From 685111ef89e662ffcd19ca6cc784490e7725702b Mon Sep 17 00:00:00 2001
From: Andrew <andytjoslin@gmail.com>
Date: Mon, 7 Jul 2014 12:28:17 -0600
Subject: [PATCH] refactor(tap): use !! to check boolean in classList check

---
 js/utils/tap.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/utils/tap.js b/js/utils/tap.js
index 142a87c56e..5d126c5d13 100644
--- a/js/utils/tap.js
+++ b/js/utils/tap.js
@@ -530,7 +530,7 @@ function tapHasPointerMoved(endEvent) {
   }
   var endCoordinates = getPointerCoordinates(endEvent);
 
-  var hasClassList = endEvent.target.classList && endEvent.target.classList.contains;
+  var hasClassList = !!(endEvent.target.classList && endEvent.target.classList.contains);
   var releaseTolerance = hasClassList & endEvent.target.classList.contains('button') ?
     TAP_RELEASE_BUTTON_TOLERANCE :
     TAP_RELEASE_TOLERANCE;