From b330d721acc81af02b67dd62ffc6108b3ffdcf09 Mon Sep 17 00:00:00 2001
From: Max <longhuicode@foxmail.com>
Date: Thu, 13 Apr 2017 21:36:16 +0800
Subject: [PATCH] =?UTF-8?q?bar()=E8=BE=93=E5=87=BA=E8=A1=A8=E8=BF=B0?=
 =?UTF-8?q?=E6=9C=89=E8=AF=AF?=
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bar() 输出表述有误, outer 应该在 bar() 运行时输出！
---
 docs/function.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/function.md b/docs/function.md
index 3f3c61a..65273fc 100644
--- a/docs/function.md
+++ b/docs/function.md
@@ -301,10 +301,10 @@ let foo = 'outer';
 
 function bar(func = x => foo) {
   let foo = 'inner';
-  console.log(func()); // outer
+  console.log(func()); 
 }
 
-bar();
+bar(); // outer
 ```
 
 上面代码中，函数`bar`的参数`func`的默认值是一个匿名函数，返回值为变量`foo`。函数参数形成的单独作用域里面，并没有定义变量`foo`，所以`foo`指向外层的全局变量`foo`，因此输出`outer`。