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in place of +N (I wanna get data from backend and put it as label of edges)

can you please help me to fix that issue ? thanks to all

get jsplumb graph labels of edges asynchronously

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jsPlumb Team On

You can get an overlay by its id from a connection:

const o = someConnection.getOverlay("anOverlayId")
o.setLabel("new label value");

you set the ID for an overlay in the overlay options.