How can I reference a component's function from another component?

Question

Vue.js

There are two components, one has a function that needs to be executed in the other component when the button is clicked.
How to export it or refer to it in the component with events?

Answer 1

Via ref
https://stackoverflow.com/a/53953674/4543826

Answer 2

If these components are not connected in any way, the best option is eventBus, read about it