Modern JavaScript from the Beginning - Second Edition - Add Username Validation to Server

The video tutorial discusses enhancing security for delete and update routes in a backend application by requiring a username for these actions. It explains the implementation process, including checking the username against the one stored in the database. The tutorial also demonstrates testing these changes using Postman, highlighting the limitations of this approach as it doesn't provide real authentication. The video concludes with a brief mention of future improvements, such as integrating local storage for better security.

What response is sent if a user tries to delete an idea without the correct username?

What is the significance of using a PUT request in the context of updating an idea?

How does the API ensure that only the correct user can delete or update their ideas?