From 6a7b9a4d8b26367c2db1d3f04bd156647c07ca17 Mon Sep 17 00:00:00 2001
From: ZenQuan <1847867150@qq.com>
Date: Wed, 21 Jul 2021 22:47:51 +0800
Subject: [PATCH] feat(autocomplete): optimize some const of autocomplete
 (#2593)

* feat(autocomplete): optimize some const of autocomplete

* feat(autocomplete): optimize some const of autocomplete
---
 packages/autocomplete/src/index.vue | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/autocomplete/src/index.vue b/packages/autocomplete/src/index.vue
index efe784b96b022..c91ac80c078d6 100644
--- a/packages/autocomplete/src/index.vue
+++ b/packages/autocomplete/src/index.vue
@@ -301,13 +301,13 @@ export default defineComponent({
       const suggestionList = suggestion.querySelectorAll('.el-autocomplete-suggestion__list li')
       const highlightItem = suggestionList[index]
       const scrollTop = suggestion.scrollTop
-      const offsetTop = highlightItem.offsetTop
+      const { offsetTop, scrollHeight } = highlightItem
 
-      if (offsetTop + highlightItem.scrollHeight > (scrollTop + suggestion.clientHeight)) {
-        suggestion.scrollTop += highlightItem.scrollHeight
+      if (offsetTop + scrollHeight > (scrollTop + suggestion.clientHeight)) {
+        suggestion.scrollTop += scrollHeight
       }
       if (offsetTop < scrollTop) {
-        suggestion.scrollTop -= highlightItem.scrollHeight
+        suggestion.scrollTop -= scrollHeight
       }
       highlightedIndex.value = index
       inputRef.value.inputOrTextarea.setAttribute('aria-activedescendant', `${id.value}-item-${highlightedIndex.value}`)