变量声明示例代码更新

Author: Yuri4ever

_includes/javascripts/variable_declaration.js

@@ -1,11 +1,9 @@
 function doSomethingWithItems(items) {
     // use one var
     var value = 10,
-        result = value + 10,
-        i,
-        len;
+        result = value + 10;
 
-    for (i = 0, len = items.length; i < len; i++) {
+    for (var i = 0, len = items.length; i < len; i++) {
         result += 10;
     }
 }