How to set the disabled class to bootstrap buttons when a specific button is active?

Question

JavaScript

how to turn off the bottom buttons if the "for an hour" button is active?

codepen.io/mrusklon/pen/PPwxxj

Answer 1

codepen.io/anon/pen/KgBmBR something like this

Answer 2

https://jsfiddle.net/lega911/6senb0gd/