Scatter examples where markers draw sequentially over time?

I am wondering if anyone has made one or has seen one that can be cannibalized for similar purposes?

The animated examples take existing cases and move them around as their values change.

Instead, it would be beneficial if a capability existed to draw markers sequentially over time, and the markers stay where they are drawn as new points are added.

Edit: I looked at examples like these;, but they are not working properly. I am wondering if there is an update.

Edit2: I have noticed that animations seem significantly easier with Plotly in R and I am making wonderful progress with the Plotly examples there.