Loan Calculator [Part 3] - Loader & User Experience

The video tutorial covers implementing a loading spinner and improving user experience in a web app. It explains how to use CSS to hide elements initially and modify JavaScript to handle events and display results. The tutorial demonstrates using setTimeout to delay actions and handle errors effectively. It concludes with suggestions for creating similar projects, like converters, using the learned concepts.

How does the application handle errors when the input is incorrect?

Summarize the overall user experience improvements made in this project.

What are some potential applications that could be built using the concepts discussed?