Why does the first click on a button fire twice in UIkit?

Question

JavaScript

If the button is wrapped in a Div with attribute data-uk-button-checkboxor data-uk-button-radiothen it fires twice on the first click.
Here is an example:
https://jsfiddle.net/wyj6wp0r/
Tell me why? And how to avoid it?

Answer 1

Tired of looking for a stable solution. Excluded attributes from div data-uk-button-checkboxand data-uk-button-radioorganized their logic in JS. On click, I add or remove a class uk-activeand everything works like clockwork.

Answer 2

https://jsfiddle.net/wyj6wp0r/10/
Apparently somewhere deep deep there is some kind of once event (single).
the solution is to block it via return false