GeoGebraApplet to JavaScript Communication

burketom shared this question 5 years ago
Needs Answer

The example posted at

is close to what I would like to be able to do. But I can find no way to produce anything like what that page displays. How do I get those "Construction State Listening" windows below the graphic view? Viewing source is instructive, but I'm still lost.

© 2020 International GeoGebra Institute