How to show several components on a click on the same button?

Question

Vue.js

How to make a red div open on button click, then green div on button click, then yellow div ?

Answer 1

https://jsfiddle.net/d48brfLs/
If it is necessary that it is the block that changes, and not the class, then here is https://jsfiddle.net/d48brfLs/3/