From 31db790e90a57b785286247c4564aa59eaed13de Mon Sep 17 00:00:00 2001
From: qiang <guoshengqiang@live.com>
Date: Wed, 13 Nov 2019 14:53:13 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=A7=A3=E5=86=B3=E5=A4=B8=E5=85=8B?=
 =?UTF-8?q?=E6=B5=8F=E8=A7=88=E5=99=A8=E4=B8=8A=E6=8B=89=E5=8A=A0=E8=BD=BD?=
 =?UTF-8?q?=E6=97=A0=E6=B3=95=E8=A7=A6=E5=8F=91=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 src/core/view/bridge/subscribe/scroll.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/core/view/bridge/subscribe/scroll.js b/src/core/view/bridge/subscribe/scroll.js
index e28aacf1cf..2250965d5f 100644
--- a/src/core/view/bridge/subscribe/scroll.js
+++ b/src/core/view/bridge/subscribe/scroll.js
@@ -59,6 +59,8 @@ export function pageScrollTo ({
 }
 
 let testReachBottomTimer
+let lastScrollHeight = 0
+
 export function createScrollListener (pageId, {
   enablePageScroll,
   enablePageReachBottom,
@@ -79,7 +81,10 @@ export function createScrollListener (pageId, {
     const windowHeight = window.innerHeight
     const scrollY = window.scrollY
     let isBottom = scrollY > 0 && scrollHeight > windowHeight && (scrollY + windowHeight + onReachBottomDistance) >= scrollHeight
-    if (isBottom && !hasReachBottom) {
+    // 兼容部分浏览器滚动时scroll事件不触发
+    const heightChanged = Math.abs(scrollHeight - lastScrollHeight) > onReachBottomDistance
+    if (isBottom && (!hasReachBottom || heightChanged)) {
+      lastScrollHeight = scrollHeight
       hasReachBottom = true
       return true
     }
-- 
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