From f6da16db20d3d351a351688f72a1e4b30b72d64e Mon Sep 17 00:00:00 2001
From: xuesinan <1404152492@qq.com>
Date: Thu, 28 Oct 2021 14:57:38 +0800
Subject: [PATCH] =?UTF-8?q?=E7=BA=A2=E5=A4=B4=E6=96=87=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 index.html | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/index.html b/index.html
index 0c89767..42ea9cd 100644
--- a/index.html
+++ b/index.html
@@ -216,12 +216,11 @@
               //事件委托就是利用事件冒泡特性，给父元素绑定事件
               //parent.contains(child) 判断是否是某个节点的子节点
               //e.target 触发事件的源节点
-              let preview = document.querySelector('.img-preview'); // 预览
-              preview.onclick = function(e){
+              document.querySelector('.img-preview').onclick = function(e){
                 e = window.event || e;
                 let parentApp = document.getElementById('img');
                 if(!parentApp.contains(e.target)){
-                  preview.style.display = 'none';
+                  document.querySelector('.img-preview').style.display = 'none';
                 }
               }
 
@@ -480,7 +479,7 @@
 
                 // 预览
                 bigImg() {
-                  preview.style.display = 'flex';
+                  document.querySelector('.img-preview').style.display = 'flex';
                 },
 
                 submit() {