ee.ImageCollection.map

Maps an algorithm over a collection.

Returns the mapped collection.

Usage	Returns
ImageCollection.map(algorithm, dropNulls)	Collection

Argument	Type	Details
this: collection	Collection	The Collection instance.
algorithm	Function	The operation to map over the images or features of the collection. A JavaScript function that receives an image or features and returns one. The function is called only once and the result is captured as a description, so it cannot perform imperative operations or rely on external state.
dropNulls	Boolean, optional	If true, the mapped algorithm is allowed to return nulls, and the elements for which it returns nulls will be dropped.