elaboration

hayeah · Aug 12, 2016 · 8be8c2a · 8be8c2a
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diff --git a/basic/function.md b/basic/function.md
@@ -74,6 +74,13 @@
 // [2, 6]
 ```
 
+相当于：
+
+```js
+[1 * 2, 2 * 3]
+```
+
+
 ## 给函数一个名字
 
 我们可以把函数放在一个变量里面，看起来会舒服一点, 而且也方便重复利用：