From b64fed301d8b60483109f9e04ae0e3efe99e889a Mon Sep 17 00:00:00 2001
From: chaos0156 <429018715@qq.com>
Date: Mon, 22 Aug 2022 16:10:29 +0800
Subject: [PATCH] KERNEL-12408 fix:bug fix

---
 src/base/list/virtualgrouplist.js | 1 +
 src/base/list/virtuallist.js      | 1 +
 src/base/single/input/file.js     | 4 ++--
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/base/list/virtualgrouplist.js b/src/base/list/virtualgrouplist.js
index def972327..a1836ba94 100644
--- a/src/base/list/virtualgrouplist.js
+++ b/src/base/list/virtualgrouplist.js
@@ -102,6 +102,7 @@ BI.VirtualGroupList = BI.inherit(BI.Widget, {
             this.renderedIndex = cnt;
             cnt++;
             index += o.blockSize;
+            lastHeight = this.renderedIndex === -1 ? 0 : getElementHeight();
         }
     },
 
diff --git a/src/base/list/virtuallist.js b/src/base/list/virtuallist.js
index 89a79ed4f..2715008cb 100644
--- a/src/base/list/virtuallist.js
+++ b/src/base/list/virtuallist.js
@@ -85,6 +85,7 @@ BI.VirtualList = BI.inherit(BI.Widget, {
             this.renderedIndex = cnt;
             cnt++;
             index += o.blockSize;
+            lastHeight = getElementHeight();
         }
     },
 
diff --git a/src/base/single/input/file.js b/src/base/single/input/file.js
index 867756a7c..290970141 100644
--- a/src/base/single/input/file.js
+++ b/src/base/single/input/file.js
@@ -116,8 +116,7 @@
                     
                 return;
                 }
-                for (var
-                         xhr = new XMLHttpRequest,
+                for (var xhr = new XMLHttpRequest,
                          upload = xhr.upload || {
                              addEventListener: function (event, callback) {
                                  this["on" + event] = callback;
@@ -129,6 +128,7 @@
                 ) {
                     upload.addEventListener(
                         split[i].substring(2),
+                        // eslint-disable-next-line no-loop-func
                         (function (event) {
                             return function (rpe) {
                                 if (isFunction(handler[event])) {