Delegate click handling to a separate object which has debug on/off toggle.
Either e.cancelDefault or not, based on that.
Important: Check if this is compatible with D3's model for touch interaction!
Until you have this, you can use touch emulation in Chrome: open the web inspector and check Settings > Overrides > Emulate touch events. The inspector needs to stay open for this to work.
Delegate click handling to a separate object which has debug on/off toggle. Either e.cancelDefault or not, based on that. Important: Check if this is compatible with D3's model for touch interaction!