Quick Start快速入门
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Overview概述
This guide shows you how to create an application that uses the MongoDB Node.js driver to connect to a MongoDB cluster hosted on MongoDB Atlas. 本指南向您展示了如何创建一个使用MongoDB Node.js驱动程序连接到MongoDB Atlas上托管的MongoDB集群的应用程序。If you prefer to connect to MongoDB using a different driver or programming language, see our list of official drivers.如果您喜欢使用不同的驱动程序或编程语言连接到MongoDB，请参阅官方驱动程序列表。
The Node.js driver is a library of functions that you can use to connect to and communicate with MongoDB.Node.js驱动程序是一个函数库，可以用来连接MongoDB并与之通信。
MongoDB Atlas is a fully managed cloud database service that hosts your MongoDB deployments. MongoDB Atlas是一个完全托管的云数据库服务，托管您的MongoDB部署。You can create your own free (no credit card required) MongoDB Atlas deployment by following the steps in this guide.您可以按照本指南中的步骤创建自己的免费（无需信用卡）MongoDB Atlas部署。
Follow the steps in this guide to connect a sample Node.js application to a MongoDB Atlas deployment.按照本指南中的步骤将示例Node.js应用程序连接到MongoDB Atlas部署。