ObjectId.valueOf()

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ObjectId.valueOf()

Returns the value of the ObjectId() as a lowercase hexadecimal string. This value is the str attribute of the ObjectId() object.

Example示例

The following example calls the valueOf() method on an ObjectId():

ObjectId("507c7f79bcf86cd7994f6c0e").valueOf()

This will return the following string:

507c7f79bcf86cd7994f6c0e

You can confirm the type of this object using the following operation:

typeof ObjectId("507c7f79bcf86cd7994f6c0e").valueOf()