Merge pull request #310 from yangkean/patch-2

代码片段有误
2024-04-21 12:32:22 +00:00 · 2017-01-09 00:18:14 -06:00
parent 6c0a3f180e b9a4aa449d
commit e81d6714d6
1 changed files with 3 additions and 3 deletions
@@ -251,13 +251,13 @@ function foo() {
 上面的代码，意图是执行后`counter`等于1，但是实际上结果是`counter`等于0。因为函数提升，使得实际执行的代码是下面这样。

 ```javascript
-var counter;
-var add;
-
@add
 function foo() {
 }

+var counter;
+var add;
+
 counter = 0;

 add = function () {