24. Listener (the deep option is still used when the listener is in object format)

Listener (the deep option is still used when the listener is in object format)

If we are still a listener in the function format, then if the data we listen to is functional (the data inside is the function data), then the listener cannot listen to the change of the data inside

 

 

 

Changes here are not triggered

 

How to monitor whether the data in the object has changed (the listener uses the function format and then adds, deep: true)

 

Here you can find the data in the info object that is monitored