Update TODO1/es6-notes-default-values-of-parameters.md

Co-Authored-By: Chorer <43442630+Chorer@users.noreply.github.com>
xitu · leviding · May 7, 2019 · May 4, 2019 · May 6, 2019 · May 7, 2019
commit 00f4a94e39c44172707ab61685efc61a5991cbf1
diff --git a/TODO1/es6-notes-default-values-of-parameters.md b/TODO1/es6-notes-default-values-of-parameters.md
@@ -260,7 +260,7 @@ function foo(x, y) {
   }
   var x = 3;
   y(); // `x` 被共用了吗？
-  console.log(x); // 是的！ 2
+  console.log(x); // 是的！2
 }
 
 foo();