What is the problem with the clipboard?

Question

JavaScript

I welcome everyone! People, tell the newbie where the dog is buried? The essence of the problem is that the button for copying some content of a div or other element copies only when double clicked. I tried to run such functionality with someone else's manually written code, and with clipboard.js the result is the same - copying occurs only if you double-click on the button, but if you click once, then something previously copied there remains in the clipboard.

Answer 1

did as in this piece of code from google, works with 1 click
https://techoverflow.net/2018/03/30/copying-string...