toJSON()#

Returns the 24-character hex string representation of the ObjectId for JSON serialization.

Usage#

import { ObjectId } from 'funtool';

const id = new ObjectId();
const json = JSON.stringify({ id }); // {"id":"5f1d7f3b1c9d440000000000"}

Signature#

toJSON(): string

Return Value#

Returns the 24-character hex string in lowercase.

Notes#

• Used automatically by JSON.stringify()
• Returns same value as toString()
• Ensures clean serialization
• Matches MongoDB serialization behavior