JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - Final Exercise Solution - Facebook Unfriend Funct

The video tutorial guides viewers through creating a JavaScript function called 'unfriend' that dynamically removes a friend from a Facebook user's list. It begins with setting up the function and accessing the friends array. Initial attempts to remove friends using incorrect methods are discussed, followed by a more effective approach using 'indexOf' and 'splice'. The tutorial concludes with error handling to manage cases where a friend does not exist in the list.

How does the function ensure that it dynamically removes the correct friend from the list?

What is the significance of using 'indexOf' in the 'unfriend' function?

In what scenario would the 'unfriend' function return an error message?

What happens if the 'unfriend' function is called with a name that does not exist in the friends list?