Data processing and client-server interaction, development, and progression and all carried out speedily. To write a Hello, World program, open up a command line text editor such as nano and create a new file: The console object in Node.js provides simple methods to write to stdout, stderr, or to any other Node.js stream, which in most cases is the command line. With this object, we can continue using our previous prototyping method. What Is the Purpose of Node.js The main purpose behind using Node.js is that it provides speed.

A getter checks if the cache exists or has expired, and a setter stores the cache plus the expiration time as an object.īoth methods are stored in a helper object and obviously exported in the complete code snippet. use is a method to configure the middleware used by the routes of the Express HTTP server object. Node.js is an open source server environment Node.js is free Node.js runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.) Node.js can generate. In addition to helping build the Node.js runtime, our strategy is to offer. These are some cache methods I needed to add TTL to my file cache implementation, and as you can see, the methods are fairly self-explanatory. Node.js is a runtime environment to run JavaScript code outside the browser.

In todays post, well work through connecting to a MongoDB database from a Node.js script, retrieving a list of databases, and printing the results to your console. helpers.js const getCache = async (cacheKey) => Use Node.js Want to learn MongoDB This is the blog series for you In this Quick Start series, Ill walk you through the basics of how to get started using MongoDB with Node.js.

What is use of node js