How to use MongoDB with promises in Node.js?

by

Your approach is almost correct, just a tiny mistake in your argument

var MongoClient = require('mongodb').MongoClient
var url="mongodb://localhost:27017/example"
MongoClient.connect(url)
  .then(function (db) { // <- db as first argument
    console.log(db)
  })
  .catch(function (err) {})

More Related Contents:

  1. access MONGODB on remote server [closed]
  2. Updating a Nested Array with MongoDB
  3. How to properly reuse connection to Mongodb across NodeJs application and modules
  4. Issue in returning data retrieved from DB queries called in the loop
  5. How do I update/upsert a document in Mongoose?
  6. Render basic HTML view?
  7. How do I query referenced objects in MongoDB?
  8. How do I remove documents using Node.js Mongoose?
  9. Mongoose difference between .save() and using update()
  10. UnhandledPromiseRejectionWarning: MongooseServerSelectionError
  11. MongoDB select where in array of _id?
  12. When to close MongoDB database connection in Nodejs
  13. Inserting and Querying Date with MongoDB and Nodejs
  14. What is the right way to make a synchronous MongoDB query in Node.js?
  15. Mongoose subdocuments vs nested schema
  16. Formatting ISODate from Mongodb
  17. How to get updated document back from the findOneAndUpdate method?
  18. Can I determine if a string is a MongoDB ObjectID?
  19. How to change all the array elements in a mongodb document to a certain value? [duplicate]
  20. Cannot find module ‘../build/Release/bson’] code: ‘MODULE_NOT_FOUND’ } js-bson: Failed to load c++ bson extension, using pure JS version
  21. Server Discovery And Monitoring engine is deprecated
  22. is there a mongoose connect error callback
  23. Create an ISO date object in javascript
  24. Node.js mongodb driver async/await queries
  25. Storing data stream from POST request in GridFS, express, mongoDB, node.js
  26. What is the difference between id and _id in mongoose?
  27. How to convert a string to ObjectId in nodejs mongodb native driver?
  28. JavaScript NoSQL Injection prevention in MongoDB
  29. Cannot connect to MongoDB because of wrong URI
  30. MongooseError: Model.findOne() no longer accepts a callback at Function

Leave a Comment