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- mongo Shell Methods >
- Cursor Methods >
- cursor.forEach()
cursor.forEach()¶
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Description¶
- cursor.forEach(function)¶
Iterates the cursor to apply a JavaScript function to each document from the cursor.
The forEach() method has the following prototype form:
db.collection.find().forEach(<function>)
The forEach() method has the following parameter:
Parameter Type Description function JavaScript A JavaScript function to apply to each document from the cursor. The <function> signature includes a single argument that is passed the current document to process.
Example¶
The following example invokes the forEach() method on the cursor returned by find() to print the name of each user in the collection:
db.users.find().forEach( function(myDoc) { print( "user: " + myDoc.name ); } );
参见
cursor.map() for similar functionality.