From b72d92aab6fe12264c1d5067e7ce2b7671c6f255 Mon Sep 17 00:00:00 2001
From: CosSalt <ihosalt@gmail.com>
Date: Wed, 13 Feb 2019 12:56:05 +0800
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函数内部重新声明参数在函数声明时不会报错，在使用时才会报错
---
 docs/let.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/docs/let.md b/docs/let.md
index d27d5ac..741e876 100644
--- a/docs/let.md
+++ b/docs/let.md
@@ -201,14 +201,16 @@ function func() {
 
 ```javascript
 function func(arg) {
-  let arg; // 报错
+  let arg;
 }
+func() // 报错
 
 function func(arg) {
   {
-    let arg; // 不报错
+    let arg;
   }
 }
+func() // 不报错
 ```
 
 ## 块级作用域