From 5300ef7819e12d8b114d808ea2ac85e36a6fff5c Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Tue, 11 Oct 2016 13:05:34 -0400
Subject: [PATCH] fix style module removing styles with value 0 on update (fix
 #3905)

---
 src/platforms/web/runtime/modules/style.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/platforms/web/runtime/modules/style.js b/src/platforms/web/runtime/modules/style.js
index 558ad964cb..49906974ca 100644
--- a/src/platforms/web/runtime/modules/style.js
+++ b/src/platforms/web/runtime/modules/style.js
@@ -49,7 +49,7 @@ function updateStyle (oldVnode: VNodeWithData, vnode: VNodeWithData) {
   }
 
   for (name in oldStyle) {
-    if (!style[name]) {
+    if (style[name] == null) {
       el.style[normalize(name)] = ''
     }
   }