Hi!
When using callbacks via on_change we get given both the old value and the new value of the attribute which changed.
Is it possible to also get the old value of the attribute on a CustomJS callback?
Thanks.
Hi!
When using callbacks via on_change we get given both the old value and the new value of the attribute which changed.
Is it possible to also get the old value of the attribute on a CustomJS callback?
Thanks.