Context menu position

There seems to be an difference in behaviour of positioning of context
menu when it is opened to close to bottom edge in case of devices
(IPad). Although this works fine in case of browser if we open the
window in similar dimensions. Please let us know if this can be fixed at
go.js end otherwise please provide us with a way to resolve this by
overriding positionContextMenu method.

I’m sorry, but what is the problem when you say it works fine?

If you want to override ContextMenuTool.positionContextMenu, you can do that by:
myDiagram.toolManager.contextMenuTool.positionContextMenu = function(contextmenu, obj) {
var b = contextmenu.measuredBounds;
contextmenu.position = …