need simple script to find duplicate values from mongodb

schema: I have multiple values in 1 collection example email, phone name etc

Note : Duplicate will be searched by both email or phone or both

I am looking for a freelancer who can help me with a simple script to find duplicate values from a MongoDB collection. The script should be written in Node.js and should be able to output the duplicate values.

Requirements:
- Programming Language: Node
- Output: The script should be able to output the duplicate values found in the collection.
- Collection: The script should search for duplicates solely in one collection.

Ideal Skills and Experience:
- Proficiency in JavaScript and MongoDB.
- Experience with writing scripts to search for duplicates in a MongoDB collection.
- Knowledge of MongoDB querying and aggregation techniques.
- Attention to detail and ability to accurately identify and output duplicate values.

If you have the required skills and experience, please submit your proposal.