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mongodbHow to convert MongoDB ObjectId to string?

MongoDB ObjectId is a 12-byte BSON type used as a unique identifier for documents within a collection. It can be converted to a string using the toString() method.

Example code

const ObjectId = require('mongodb').ObjectId;
const id = new ObjectId();
const stringId = id.toString();

Output example


Code explanation

  • const ObjectId = require('mongodb').ObjectId;: This line imports the ObjectId class from the mongodb package.
  • const id = new ObjectId();: This line creates a new ObjectId instance.
  • const stringId = id.toString();: This line converts the ObjectId instance to a string.
  • console.log(stringId);: This line prints the string to the console.

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