https://developers.google.com/earth-engine/apidocs/ee-geometry-multipoint-symmetricdifference?hl=it
ee.Geometry.MultiPoint.symmetricDifference | Google Earth Engine | Google for Developers
google earth engineeegeometrymultipointsymmetricdifference
https://schalkneethling.com/posts/comparing-sets-in-javascript-with-difference-and-symmetricdifference/
Comparing Sets in JavaScript With difference() and symmetricDifference() - Schalk Neethling - Open...
How the new Set methods difference() and symmetricDifference() can replace verbose Set comparisons with clear, expressive code.
schalk neethlingcomparingsetsjavascript