UpdateMany()

const { MongoClient } = require("mongodb");
const client = new MongoClient("mongodb://localhost:27017");

async function connectToMongo() {
  try {
    await client.connect();
    console.log("Connected to MongoDB");
  } catch (err) {
    console.error(err);
  }
}

async function updateMany() {
  try {
    await connectToMongo();

    const db = client.db("test");
    const collection = db.collection("student");

    const query = { roll: 23 };
    const update = { $set: { roll: 24 } };

    const result = await collection.updateMany(query, update);
    console.log("Documents updated: " + result.modifiedCount);

    client.close();
  } catch (err) {
    console.error(err);
  }
}

updateMany();