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cursor.tryNext()

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cursor.tryNext()
Important

mongosh Method

This page documents a mongosh method. This is not the documentation for a language-specific driver, such as Node.js.

For MongoDB API drivers, refer to the language-specific MongoDB driver documentation.

Returns:返回值：The next document in the cursor returned by the db.collection.find() method or null.db.collection.find()方法返回的游标中的下一个文档或null。

Behavior行为

cursor.tryNext() is a special case of the cursor.next() method that returns the next element in the iteration if available or else null.是cursor.next()方法的特殊情况，如果可用，则返回迭代中的下一个元素，否则返回null。