how to know node js version

As mentioned above, the command line of NodeJS and the "Hello, World" of the Web version are mentioned ". The command line directly executes the hello. js file, and the requirehttp module is required for the Web version. The http module is provided by NodeJS itself. We know that each module corresponds to a

To say the history of node. js, we have to talk about V8 history. Before we do that, let's just say something. Node.js:Node.js is a platform based on the Google Chrome V8 JavaScript engine to create lightweight, fast, scalable, event-driven, and nonblocking I/O applications. Now let's talk about node. JS's source--v8 JavaScript engine.V8 is a Google-led open sour

node. JS also provides the ability to program UDP, and the related libraries are in the "dgram" module.Unlike TCP, UDP is non-connected and does not guarantee the reliability of the data, but its programming is simpler and sometimes we need it. such as the statistics of the app or log or streaming media, a lot of streaming protocols will use UDP, a large number of online search.Using UDP, if you want to sen

This article describes how to install Node on CentOS. js and mongodb notes, this article explains Python installation, Node. js installation, npm installation, mongodb driver installation, mongodb database operation test code, and other content. if you need it, you can refer to the

node. JS Website Address: https://nodejs.org/en/You can directly click on the link to enter:My is the Windows 7 x64 system, choose the version number is: v4.2.4 LTS, relatively more mature and reliable version number. Install node. jsFollow the steps to install it, there is

contains the AUTHORS file, npm defaults to line by Name (Url) format processing, mailbox and url are optional. # The line starting with "#" and "space" is ignored. Name The name and version fields are the most important in package. json. They are all required. If not, they cannot install. The identifier composed of name and version is unique in the hypothesis. Change the

, supporting multiple platforms; API documentation: official third-party NPM There are not many entry books and good books The Chinese version of nodejs beginner, an open-source node tutorial, implements a complete and sophisticated web application, including: Server, router, Handler Node for front end developers introduces native technologies and third-party

This is a learning note for mobile engineers involved in front-end and back-end development, where errors or understandings are not in place. What is node. jsThe traditional JavaScript runs on the browser because the browser core is actually divided into two parts: the rendering engine and the JavaScript engine. The former is responsible for rendering HTML + CSS, while the latter is responsible for running JavaScript. The JavaScript engine used b

How to install node. js on LinuxPosted on November, by Dan Nanni Leave a comment Question:How can I install node. js on [insert your Linux distro]?node. JS is a server-side software platform built on Google ' s V8 JavaScript eng

one. }). Listen (80 ); // Output a String to the console once the server starts up, lew.us know everything // Starts up correctly Console. log ("Random Number Generator Running ..."); Start the application Put the above code into a file named "random. js. To start the application and run it (to create an HTTP server and listen to connections on port 80), enter the following command in your command prompt:

Node. js is a software platform that is usually used to build large-scale server applications. Node. js uses JavaScript as its scripting language. Due to its non-blocking IO Design and single-thread event loop mechanism, it can deliver extremely high performance. Node.

node. js ApplicationWrite ApplicationsHere I directly use express to generate an applicationModify the package. json FileExample:{ "Name": "MyMobile ", "Version": "0.0.1 ", "Private": true, "Scripts ":{ "Start": "node app. js ", "Postinstall": "./node_modules/bower/bin/bowe

the propaganda of node. js? Should you consider converting languages? I know that I love programming languages and I've been using PHP and JavaScript since the 1990s, and I've had a few years of node. JS experience. I've also dabbled in other technologies, but I can't make

Node. js has gradually warmed up, and many friends have begun to pay attention to it. However, on Windows platforms, Cygwin-based installation and configuration environments are required, which can be discouraged by many users. However, it is reported that Microsoft has contacted the Node. js official website and I bel

SQLServer, Mysql, and MongoDB, will not be discussed. It serves as a pure attempt to learn technology and new solutions. Node. js, as the key content of this document, must be summarized first. I am a newbie who just learned Node. js. I am afraid to use this article as an entry-level document for