From 4caef2eb5d1c528ecef8ec752bfc60038d7a0708 Mon Sep 17 00:00:00 2001
From: pplokijuhyg <1162963624@qq.com>
Date: Fri, 11 Nov 2022 08:54:19 +0000
Subject: [PATCH] =?UTF-8?q?fix=20backTop=20=E8=BF=94=E5=9B=9E=E9=A1=B6?=
 =?UTF-8?q?=E9=83=A8=20=E6=97=A0=E6=B3=95=E7=94=9F=E6=95=88=20=E5=AE=9E?=
 =?UTF-8?q?=E6=B5=8B=20document.documentElement=20document.body=20=20?=
 =?UTF-8?q?=E6=97=A0=E6=B3=95=E8=A7=A6=E5=8F=91=E6=BB=9A=E5=8A=A8=E4=BA=8B?=
 =?UTF-8?q?=E4=BB=B6=20=20removeEventListener=20=E9=9C=80=E8=A6=81?=
 =?UTF-8?q?=E4=BD=BF=E7=94=A8addEventListener=20=E7=9B=B8=E5=90=8C?=
 =?UTF-8?q?=E7=9A=84=E5=87=BD=E6=95=B0(=E5=BC=95=E7=94=A8=E5=9C=B0?=
 =?UTF-8?q?=E5=9D=80)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: pplokijuhyg <1162963624@qq.com>
---
 package/component/src/component/backTop/index.vue | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/package/component/src/component/backTop/index.vue b/package/component/src/component/backTop/index.vue
index c73b2832..97a870c2 100644
--- a/package/component/src/component/backTop/index.vue
+++ b/package/component/src/component/backTop/index.vue
@@ -174,7 +174,7 @@ const getScrollParent = (
     }
   }
   // @ts-ignore
-  return document.documentElement || document.body || window;
+  return window;
 };
 
 // 节流
@@ -189,17 +189,17 @@ const throttle = (func: Function, wait: number) => {
     }
   };
 };
-
+const callback = throttle(handleScroll, 300);
 onMounted(() => {
   if (!props.target) return;
   scrollTarget.value = getScrollTarget();
-  scrollTarget.value.addEventListener("scroll", throttle(handleScroll, 300));
+  scrollTarget.value.addEventListener("scroll", callback);
 });
 
 onBeforeUnmount(() => {
   scrollTarget.value?.removeEventListener(
     "scroll",
-    throttle(handleScroll, 300)
+    callback
   );
 });
 </script>