When using Chrome, my graph nodes are highlighted when I select in a way that I did not style them to be highlighted (see below). The same thing happens in the DOM, but I am able to disable it there using “outline:none”. How can I do the same in my graph.
Set Part.selectionAdorned to false in your Node template. For example:
myDiagram.nodeTemplate =
$(go.Node, "Auto",
{ selectionAdorned: false },
. . .
Read more about this at GoJS Selection -- Northwoods Software.