how to check 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 js file. Th

Whether NPM or other Front-ent Package Manager tools is all writtent by node, therefor, if we want to use it, we should I Nstall node at first.HTTPS://nodejs.org/en/After installing node, we'll get NPM to manage your JavaScript packages.As we all know, NPM are a package manager for JavaScript and word ' s largest software register. Recently, I found a tool like N

) $ npm help foldersView All Folders used by npm (9) $ npm rebuild moduleNameUsed to change the package content and recreate it. (10) $ npm outdatedCheck whether the package is out of date. This command will list all outdated packages and update the packages in time. (11) $ npm update moduleNameUpdate node Module (12) $ npm uninstall moudleNameUninstall node Module (13) an npm package contains a package. js

Tags: mongodb node. JS Express Angularjs DatabaseIn order to save the user data and business data for a site, a database is usually required. MongoDB and node. JS are particularly well-matched because MongoDB is a document-based, non-relational database that is stored in Bson (the lightweight binary format of JSON), an

about webmatrix, go here ). With the upgrade of the webmatrix version and the popularity of node. JS, it also strengthened its support for node. js and related technologies. Reprinted please indicate Source Address: http://www.cnblogs.com/aNd1coder/archive/2012/06/17/2552

end, whenever the browser is upgraded, I traverse the window object and its element nodes to find out what methods and attributes it has added, and then check the document. The updated logs cannot tell you all the details. You must traverse them by yourself so that you know more than others. Now, let's look for the Global Object of node. js.The node.

front end, whenever the browser is upgraded, I traverse the window object and its element nodes to find out what methods and attributes it has added, and then check the document. The updated logs cannot tell you all the details. You must traverse them by yourself so that you know more than others. Now, let's look for the Global Object of node. js.The node.

to find the Nvm_home variable double-click, will pop up the editing system variable, when the variable name defaults to Nvm_home, we only need to edit the variable value, the variable value is the path of the NVM folder, that is C:\DEV\NVM We can copy it to the Setting.txt file,Similarly, the Nvm_symlink variable is found, and the value of the variable is nodejs path.5. Add the two configured environment variables to the pathFind the path in the variable system, and double-click, pop-up Edit Sy

Installing node. js on CentOS [Date: 2014-07-21] Source: Linux Community maskdfe [Font: Big Small] Install node. js on CentOS (see what you want to learn about node. js on Linux).DescriptionUse

do it yourself first, the tricky place to check this book or visit http://nodejs.org to see the full API documentation. Exercisesthis book had exercises in some chapters. At the end of the "this" can find the exercisesolutions, but I advise your to try do them yourself. Consult the COMPREHENSIVEAPI documentation on the official http://nodejs.org¹website.OriginalSourceYou can find some source code and exercises for this book on GitHub:Https://github.c

Use Meteor with Node. js to compile a real-time chat application example, meteornode. js I often see Derby. the framework for js comparison is Meteor. js. similar to Derby, it can also update views in real time on multiple clients, although it may be a little different from

This article mainly summarizes the articles written by the predecessors, including the problems encountered during the installation of node. js and express. For later use, while reducing the number of people learning node. js from detours. 1. The installation environment is of the cainiao level for linux. Therefore, yo

specific scope. However, understanding these global objects and understanding other objects from these objects can help us understand the node. js ecosystem structure. At the front end, whenever the browser is upgraded, I traverse the window object and its element nodes to find out what methods and attributes it has added, and then check the document. The update

View memory leakage in Node. js This article is the first article in the Node. JS Holiday Season series by Mozilla's Identity team. The team released the first beta version of Persona last month. When developing Persona, we built a series of tools, including debugging, local

main process then reads the result of the child process with the callback function.This article is only introduced from the use of the Child_process module, for in-depth content please refer to the official documentation, https://nodejs.org/api/child_process.htmlAbout the node. JS thread Good article: Https://cnodejs.org/topic/518b679763e9f8a5424406e92. Basic use of child_processThe Child_process module, w

650) this.width=650; "src=" http://images2015.cnblogs.com/blog/139239/201706/139239-20170602095947336-1982532912.jpg "/>May 30 12 o'clock, node. JS 8 is officially released with a range of new features and performance improvements, and these features and improvements will be supported in the long term (LTS).The most important features and fixes in the node.

Express is a simple and flexible node. jsWeb application development framework, which provides a series of powerful features to help you create a variety of Web and mobile device applications. This article introduces the nodejs express tutorials, if you are interested, Express is a simple and flexible node. the js Web application development framework provides a

First, install, download the installation from the official website, install basic always click on the next step on the line. Note: node. js is Python-based, and it is best to install Python on your computer before installing node. js, preferably Python2.7 or 2.6.Second, Cmd enters the command line, enter

can use the following command to view the current Node version:$ node-vv4.4.3Note: There may be differences between different versions.First node. JS Program: Hello node. js Tutorial!S

. jsvar a = require ('. /A') global. a_name =. name; // c. jsrequire ('. /B '); console. log (a_name) // print a after execution What happens when we execute node c. js? Require is the nodes keyword. Although NodeJS is famous for its Asynchronization, its require is blocked. Otherwise, other modules are not loaded and the following code has been executed. Require. the resolve () method is used to find the