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- Reference >
- mongo Shell Methods >
- Cursor Methods >
- cursor.map()
cursor.map()¶
- cursor.map(function)¶
Applies function to each document visited by the cursor and collects the return values from successive application into an array.
The cursor.map() method has the following parameter:
Parameter Type Description function function A function to apply to each document visited by the cursor.
Example¶
db.users.find().map( function(u) { return u.name; } );
参见
cursor.forEach() for similar functionality.