From 75854dd8fcb152ec09c48b5b4abb9027b5603042 Mon Sep 17 00:00:00 2001
From: huxuedong <1208442852@qq.com>
Date: Tue, 9 Jan 2024 10:28:27 +0800
Subject: [PATCH] Update 1.2.4.md
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

bind的实现有一个小问题
---
 1/1.2.4.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/1/1.2.4.md b/1/1.2.4.md
index c108d31..8d8252e 100644
--- a/1/1.2.4.md
+++ b/1/1.2.4.md
@@ -545,7 +545,7 @@ Function.prototype.myBind = function(objThis, ...params) {
   //对返回的函数 secondParams 二次传参
   let funcForBind = function(...secondParams) {
     //检查this是否是funcForBind的实例？也就是检查funcForBind是否通过new调用
-    const isNew = this instanceof funcForBind;
+    const isNew = this instanceof thisFn;//注意：此处funcForBind的原型指向thisFn.prototype
 
     //new调用就绑定到this上,否则就绑定到传入的objThis上
     const thisArg = isNew ? this : Object(objThis);