回答編集履歴

ソース修正

2016/06/13 02:22

投稿

スコア368

answer CHANGED Viewed

@@ -3,7 +3,7 @@
 var object = {};
 function myReturn(num, def = 8) {
-  if (num === undefined) num = def;
+  if (num === undefined || num === null) num = def;
   object.number = num;
   return object.number;
 }