How to pass data to child component in VUE?

Question

JavaScript

Hello. The problem is why the parameter is not passed and how to pass it? Here is an example https://jsfiddle.net/xzwzLouw/2/
Need to pass dataGo to toggles child component, how to do it?

Answer 1

https://jsfiddle.net/kulakoff/bgqn9ra3/