The context menu options do not appear on right click of the node even inside the sample canvas. Only "click me" button and prompt works. Please verify.
I am unable to notice any problems with context menus in that example, in two different browsers on two different platforms. Could you please tell us precisely how to reproduce a problem?
https://gojs.net/latest/learn/interactivity.html#ContextMenus
The context menu options do not appear on right click of the node even inside the sample canvas. Only "click me" button and prompt works. Please verify.