Window event to know if the window is blank or if nothing is displaying presently on the screen?

Question

There is a button to delete content displayed on the screen. I want to know when everything on the screen has been deleted and the page is empty. Once all winter has been deleted i want to display a refresh button to display all the data again

Answer 1

You forgot to attach link to the code in the question Decription ☝

https://www.sololearn.com/post/75089/?ref=app