Update article.md

2020-07-18 23:32:51 +08:00 · 2020-07-18 23:32:51 +08:00 · c2f8c4fb9e
commit c2f8c4fb9e
parent ae1171069c
1 changed files with 1 additions and 1 deletions
--- a/1-js/04-object-basics/07-optional-chaining/article.md
+++ b/1-js/04-object-basics/07-optional-chaining/article.md
@ -80,7 +80,7 @@ If there's no variable `user` at all, then `user?.anything` triggers an error:
 // ReferenceError: user is not defined
 user?.address;
 ```
-There must be `let/const/var user`. The optional chaining works only for declared variables. 
+There must be `let/const/var user`. The optional chaining works only for declared variables.
 ````

 ## Short-circuiting