Node.js is an open-source JavaScript runtime environment that allows developers to execute JavaScript code for server-side scripting and scalable network applications.
npm是Node.js的包管理工具(package manager) 为啥我们需要一个包管理工具呢?因为我们在Node.js上开发时,会用到很多别人写的JavaScript代码。如果我们要使用别人写的某个包,每次都根据名称搜索一下官方网站,下载代码,解压,再使用,非常繁琐。于是一个集中管理的工具应运而生:大家都把自己开发的模块打包后放到npm官网上...
So Node.js is neither a programming language or a framework, it’s an environment for Javascript and its different frameworks. Node.js also has its own backend framework, called Express.js. It’s part of widely-known stacks like MEAN, MERN or MEVN. NPM (Node Package Manager) - which ...
What is npm? 什么是npm ? npm全称是Node Package Manager npm makes it easy for JavaScript developers to share and reuse code, and it makes it easy to update the code that you're sharing. npm 是 nodejs 的包管理和分发工具。它 可以让javascript开发者能够更加轻松的共享代码和共用代码片段,并且通...
node -- version npm --version Previously, we learned about Node Js and did the installation part, now in the next section of the blog we will touch on Node Js Express. What is Node Js Express? Welcome to the main section of the blog. Here, you will find everything you will need to...
What is Node.js? Node.js is a popular open-source andcross-platformJavascript runtime environment. It runs the V8 JavaScript engine, which powers Google Chrome outside the browser. Node.js app doesn’t create a new thread for each request; instead, it runs in a single process. Its standa...
In this tutorial, we’ll talk about npm (Node package manager), aJavaScriptonline repository for open-source Node.js packages. We’ll get to know what npm is, how to use it, and the purpose of packages and how to interact with them locally and remotely. ...
Before using npm, make sure that node.js is installed. To do so, open your terminal and run this command: node -v The terminal window should display the node.js version installed on your system: V14.17.5 Do the same for npm by using the following command: npm -v It should also re...
1. What is npm? npm stands for Node Package Manager. It’s alibraryandregistryfor JavaScript software packages. npm also has command-line tools to help you install the different packages and manage their dependencies. npm is freeand relied on by over 11 million developers worldwide. You could...
npmincludes aCLI(Command Line Client) that can be used to download and install software: Windows Example C:\>npm install <package> Mac OS Example >npm install <package> Installing npm npmis installed withNode.js This means that you have to install Node.js to get npm installed on your comp...