ObjectId.toString()

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 variable myObjectId.

• Creates a string representation of myObjectId using the toString() method.

• Stores the string representation in the variable myObjectIdString.

Run the following commands in mongosh:

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