An application for password generation based on javaScript

What are you most proud of, and what would you do differently next time?

I am proud of the completion of the project and the fact that I myself solved the tasks that were set before me.

What challenges did you encounter, and how did you overcome them?

There were difficult tasks related to JS, because I have not encountered such problems yet. But after searching for information, I solved problems.

What specific areas of your project would you like help with?

If the checkbox is not selected, it should not copy anything when you click on the copy icon.