fix: solution for checking if an object has a property (#19390)

Signed-off-by: Jonathan Grah <theflametrooper@gmail.com>
2018-10-16 00:04:24 +01:00 · 2018-10-16 00:04:24 +01:00 · 65d47b6eeb
commit 65d47b6eeb
parent e6c9c6c124
1 changed files with 6 additions and 1 deletions
--- a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-data-structures/check-if-an-object-has-a-property.english.md
+++ b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-data-structures/check-if-an-object-has-a-property.english.md
@ -76,7 +76,12 @@ console.log(isEveryoneHere(users));

 ```js
 function isEveryoneHere(obj) {
-  return users.hasOwnProperty('Alan', 'Jeff', 'Sarah', 'Ryan');
+  return [
+    'Alan',
+    'Jeff',
+    'Sarah',
+    'Ryan'
+  ].every(i => obj.hasOwnProperty(i));
 }
 ```
 </section>