mongoose update one field code example

Example 1: mongoose save or update

// This will create another document if it doesn't exist
findByIdAndUpdate(_id, { something: 'updated' }, { upsert: true });

Example 2: mongoose updateone example

// Update the document using `updateOne()`
await CharacterModel.updateOne({ name: 'Jon Snow' }, {
  title: 'King in the North'
});

// Load the document to see the updated value
const doc = await CharacterModel.findOne();
doc.title; // "King in the North"