第一行请求(require)Node.js 自带的 http 模块,并且把它赋值给 http 变量。 接下来我们调用 http 模块提供的函数: createServer 。这个函数会返回 一个对象,这个对象有一个叫做 listen 的方法,这个方法有一个数值参数, 指定这个 HTTP 服务器监听的端口号。 REPL(交互式解释器)# 通过命令行直接输入命令 node . ...
Node.js is an open-source JavaScript runtime environment that allows developers to execute JavaScript code for server-side scripting and scalable network applications.
NodeJs file system module will allow us to do file operations create, read, write, update, delete, rename. In this blog, we will use the fs module to perform file operations. In the fs module, every method has asynchronous as well as synchronous forms. Asynchronous methods take the first ...
Node Js is a javascript-based framework, which works on the principles of javascript and is available on all different types of operating systems namely Windows, macOS X, and Linux. At present v19.0 is in play for development purposes, with Node Js developers can develop dynamic web content t...
Node.js, or Node for short, is an open-source, server-side JavaScript runtime environment. You can use Node.js to run JavaScript applications and code in many places outside of a browser, such as on a server or in a CI/CD pipeline....
Different projects might require different versions of Node and NPM. NVM (Node Version Manager) is extremely helpful in this case by helping with managing different Node versions on your device. So NVM allows you to install different versions of Node and switch between them according to your need...
Node.js v20 is now available. Take a look at what's new in this version, including Test Runner, Permission Model, SEA, and V8 JS Engine 11.3.
Node.js is a powerful tool To sum it up, Node.js can be a powerfultoolif in the right hands. You can use it to createdynamic web pagecontent, performserver-side scripting, createback-endapplications, developchatbots, and even build neural networks. ...
Node.js 15 ships with theTimers Promises APIwhich has a promisified version ofsetTimeout: const{setTimeout}=require('timers/promises');console.log('Starting async operation..');awaitsetTimeout(1000);console.log('Async done!'); This feature is in the experimental stage. ...
This version of the documentation is archived and no longer supported. View thecurrent documentationto learn how toupgrade your version of the MongoDB Node.js driver. Learn what's new in: Version 4.0 Version 3.7 Version 3.6 What's New in 4.0 ...