node js modules tutorial

Objective:This article describes the functions in node. js, which is a bit simpler than the previous one, and is actually the same as the function in our JavaScript .Well, no more nonsense, let's get to the point. node. JS functions:"Example 1: Creating a basic parameter function"　　In JavaScript, we use function-

Objective:node. js Introduction, installation and configuration, the previous section has been introduced, if there is unclear can also leave a message or directly ask Niang. This section:This section focuses on a simple example of node. js, using two methods. This is described below.In short, this section is very simple. Look down, everybody. Script

":{ "Type":"Git","url":"Https://github.com/billfeller/nodejs-upload-image-demo.git" },"Author":"Billfeller","License":"MIT","Bugs":{ "url":"Https://github.com/billfeller/nodejs-upload-image-demo/issues" },"Homepage":"Https://github.com/billfeller/nodejs-upload-image-demo"}Is this OK?(Yes) Yes2. Change Package.json, configure the start command:"Scripts": { "start": "Node Index.js"},3. Install the Dependent module: NPM install Formidable–sav

Lodash Type judge the source code"hungry Big front Node. JS advanced tutorial" address: Https://github.com/ElemeFE/node-interviewLodash Introduction : Lodash is currently a very popular JS tool library, It encapsulates a lot of JS

1. First go to the official website to download the installation packagenode. JS Official website: https://nodejs.org/en/Download the corresponding installation package according to your operating systemThis post takes the Node-v4.4.5-x64.msi version as an example to introduce the installation tutorial.2. Installation Steps3. Check if installation is successful a

"Hungry big front node. JS Advanced Tutorial" Address: Https://github.com/ElemeFE/node-interview1. How to write a copy function of a JSON object function Clone (obj) { var result; if (Array.isarray (obj)) { result = []; Obj.foreach (item) = { Result.push (Clone (item)); }); } else i

First, NPM has built-inUse the online tutorial to install NPM always prompt version error, the latest version of the bugExecute the NPM-V, please.Oh, it's already installed.The latest version of node. JS has built-in NPM and does not need to be installed manuallysecond, Express command does not recognizeAfter you install Express, perform the express-v promptExpre

:...True2. Invocation of functionsThis points to the global object in the execution environment (browser->window nodejs->global)function Pet2 (words) {This.words = wordsConsole.log (This.words)Console.log (This===global)}Pet2 (' ... ')Printing results:...True3. ConstructorsThis method is called by the instance object, which points to this instance objectfunction PEt3 (words) {This.words = wordsThis.speak = function () {Console.log (This.words)Console.log (This)}}var cat = new PEt3 (' Miao ')Prin

Construction of Node JS project:To create a standard file structure, you need to download and use the Webstorm software to create a new Node Express project.Operation of App.js:(1) Introduce a new module: var School_controller = require ('./controller/school_controller ');(2) Add a new route: App.use ('/school ', school_controller);Three ways to get parameters:(1

Gitbook is a command-line tool (node. JS Library) that we can borrow to make beautiful books using Github/git and markdown, but it's not a tutorial on git.Supports multiple formats for outputGitbook supports the output of multiple document formats, such as: Static site: Gitbook The default output of this format, the resulting static site can be directly

1 Set node properties three methods:Get: getattribute (name)Setting: SetAttribute (name, value)Delete: RemoveAttribute (name)As an example:window.onload=function () { varElenode = document.getElementsByTagName ("img") [0]; //1. Element node. Attribute or element node [properties]ELENODE.SRC = "Image/aaa.png"; ELENODE.AAA= "BBB"; Console.log (ELENODE

This article mainly introduces Node. the js development tutorial is based on the OnceIO framework for file upload and verification. It is very good and has reference value. If you need it, you can refer to OnceIO as an OnceDoc Enterprise Content (online disk) the underlying Web framework, which can realize full cache of template files and static files. It does no

This article mainly introduces Node. in js, the Request module provides a basic tutorial on how to process HTTP requests. The request also supports OAuth signature requests, which are very powerful. If you need them, refer to the following section to introduce a Node. js mod

What is a module. At the beginning of JavaScript, it was nothing more than a small script of a Web page, and no one would have thought it would evolve into a lot of libraries, tools, and components becoming so complex, and slowly JavaScript was developing, and people found that JavaScript had a congenital flaw-the lack of modules. In other languages, Java has a class, Python has an import, PHP has include and require and even more than its underlying

service side of the need for some API, a little understanding of the background of children's shoes certainly know that the background voice has the ability of the operating system, so the expansion of the OS, need to have the ability to manipulate files, so expand the file system, need to operate the network, So expand the net network system, need to manipulate the data, so to expand the ability of database. Such a contrast, I believe many small partners to nodejs more understanding, the origi

This article mainly introduces Node. js module loading details. This article describes how to load core modules, file modules, directory modules, and file Loading modules, for more information, see JavaScript, one of the most freq

This article mainly introduces Node. js module loading details. This article describes how to load core modules, file modules, directory modules, and file Loading modules, for more information, see JavaScript, one of the most freq

. Running result Enter http: // 127.0.0.1: 8899 in the browser. The output result is as follows: By l'oreal Paris The above is all the content of this article, hoping to help you learn. Articles you may be interested in: Simple nodejs installation and environment configuration in windows Use Shell scripts to quickly build the Nodejs development environment in Ubuntu Node. js (1) --- Introduction to

,Then install it via the command line NPM install ****** or NPM install ******--save-devRepresents a module that needs to be installed--save-dev is the Devdependencies property that writes the installation package information to the Package.json file.After local installation, modules in the Node_modules directory in the project can be introduced via require (). As the following example, the local installation is require (' MySQL ') directly in Gulpfil

Node. js module mechanism learning notes, node. js learning notes Javascript has never been used as a programming language since its birth. In the Web 1.0 era, this scripting language is mainly used for Form Verification and webpage special effects. It was not until the Web 2.0 era that front-end engineers used it to g