Why I can’t hide the <div> with this code ?

Question

I tried several codes to make the button appear and hide the <div> work but I still couldn't

Ps: if i said wrong it is because i am brazilian and i don't speak english very well
https://code.sololearn.com/WWt2xH0Ttn6N/?ref=app

Answer 1

Games Para Nobs , you should switch the style depending on current type if it is "block" switch it to "none" and vice versa. Look at the code. Hope it helps you.
https://code.sololearn.com/WQi0cIR3q0MP/?ref=app

Answer 2

The button is in the div; you can't show the button and at the same time hide the div.

Answer 3

thank you guys!

Answer 4

https://code.sololearn.com/WtthsW5GK4eF/?ref=app