ObjectId.toString()Returns the string representation of the
ObjectId().
Compatibility
You can use ObjectId.toString() for deployments hosted in the following
environments:
MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud
MongoDB Enterprise: The subscription-based, self-managed version of MongoDB
MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB
Example
The following example:
Generates a new
ObjectId()and stores it in the variablemyObjectId.Creates a string representation of
myObjectIdusing thetoString()method.Stores the string representation in the variable
myObjectIdString.
Run the following commands in the mongo shell:
myObjectId = ObjectId("507c7f79bcf86cd7994f6c0e") myObjectIdString = myObjectId.toString()
The operation returns the following string:
507c7f79bcf86cd7994f6c0e
To confirm the type of myObjectIdString, use the typeof JavaScript operator:
typeof myObjectIdString
The operation returns the following:
string