Function gen_callback

tests/background_callback/app_diff_outputs.py:20–28

(index)

def gen_callback(index):
    @app.callback(
        Output(f"output-{index}", "children"),
        Input(f"button-{index}", "n_clicks"),
        background=True,
        prevent_initial_call=True,
    )
    def callback_name(_):
        return f"Clicked on {index}"


for i in range(1, 3):