R Highlight the map portion where zoomed or viewing

Question

How to highlight the map portion where zoomed or viewing? My map consists of a lot of markers with popups and labels. I want to highlight the region where the map is currently zoomed.

Answer 1

@ch,

Use the minimap to show a side map showing the area where the map is zoomed as per your requirements.

Use addMiniMap() function like below.

leaflet() %>% setView(lng=77.669907, lat=13.0118285, zoom = 10) %>% addTiles() %>% addMarkers(lng=77.669907, 
  lat=13.0118285) %>% addMiniMap()