gistfile1.go

package main
  
func main() {
    ctx := context.Background()
	devTools := devtool.New("http://127.0.0.1:9222")
	pt, err := devTools.Get(ctx, devtool.Page)
	if err != nil {
		pt, err = devTools.Create(ctx)
		if err != nil {
			panic(err)
		}
	}

	allocCtx, cancel := chromedp.NewRemoteAllocator(context.Background(), pt.WebSocketDebuggerURL)
	defer cancel()
}

Hi, thanks for showing how to obtain the WebSocketDebuggerURL, I have a question, the devtool package is from https://godoc.org/github.com/mafredri/cdp/devtool right?

seems to not be working
2020/08/19 23:18:34 invalid context on line 10