How to clear marker cluster google maps

1. How do I remove markers from Google Maps?
2. What is marker cluster in Google Map?
3. How to remove previous marker in Google map javascript?

How do I remove markers from Google Maps?

Click the marker to reveal the editing options. Click the "Delete" link in the lower-left corner of the dialog box.

What is marker cluster in Google Map?

When the user zooms out, the markers gather together into clusters, to make viewing the map easier. The marker clustering utility is part of the Maps SDK for Android Utility Library.

How to remove previous marker in Google map javascript?

getElementById("delete-markers")! . addEventListener("click", deleteMarkers);