From ec0a6ded25fa874eac55d957846cfb1a997874ca Mon Sep 17 00:00:00 2001
From: ruanyf <yifeng.ruan@gmail.com>
Date: Mon, 21 Aug 2023 23:26:48 +0800
Subject: [PATCH] docs(operator): fix keyof

---
 docs/operator.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/operator.md b/docs/operator.md
index 15e096a..b7c0d38 100644
--- a/docs/operator.md
+++ b/docs/operator.md
@@ -148,7 +148,8 @@ function prop(obj, key) {
 
 ```javascript
 function prop(
-  obj:object, key:string
+  obj: { [p:string]: any },
+  key: string
 ):any {
   return obj[key];
 }