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4 changes: 2 additions & 2 deletions 1-js/04-object-basics/07-optional-chaining/article.md
Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,9 @@ The optional chaining `?.` is a safe way to access nested object properties, eve

إذا كنت قد بدأت للتو في قراءة هذه البرنامج التعليمي الخاصّ بـِ JavaScript، فربما لم تواجه هذه المشكلة من قبل ولكنها شائعة جداً.

As an example, let's say we have `user` objects that hold the information about our users.
تحتوي على معلومات المستخدمين `user` objects على سبيل المثال، لنقل ان لدينا
ولاكن بعض المستخدمين لم يقومو بتوفير العنوان،`user.address.street`مع معلومات الشارع،`user.address`معظم المستخدمين لديهم عنوان في

Most of our users have addresses in `user.address` property, with the street `user.address.street`, but some did not provide them.

In such case, when we attempt to get `user.address.street`, and the user happens to be without an address, we get an error:

Expand Down
2 changes: 1 addition & 1 deletion 2-ui/index.md
Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
# Browser: Document, Events, Interfaces

Learning how to manage the browser page: add elements, manipulate their size and position, dynamically create interfaces and interact with the visitor.
تعلم كيفية ادارة الصفحه: اضافة عنصر، التلاعب بحجم العنصر وموقعه، انشاء واجهة وتفاعل مع الزائرين