From b02dbd4aef5a6a9352faa2a7b413f9996beb8391 Mon Sep 17 00:00:00 2001
From: dailer <Dailer@fanruan.com>
Date: Wed, 21 Jul 2021 10:21:55 +0800
Subject: [PATCH] =?UTF-8?q?=E6=97=A0JRIA=20:=20IE9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/core/8.snabdom.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/8.snabdom.js b/src/core/8.snabdom.js
index f16d8355d..4965fcad5 100644
--- a/src/core/8.snabdom.js
+++ b/src/core/8.snabdom.js
@@ -929,7 +929,7 @@
     var propsModule = { create: updateProps, update: updateProps };
 
     // Bindig `requestAnimationFrame` like this fixes a bug in IE/Edge. See #360 and #409.
-    var raf$1 = typeof window !== "undefined" && window.requestAnimationFrame.bind(window) || setTimeout;
+    var raf$1 = typeof window !== "undefined" && (window.requestAnimationFrame && window.requestAnimationFrame.bind(window)) || setTimeout;
     var nextFrame$1 = function nextFrame$1(fn) {
         raf$1(function () {
             raf$1(fn);