firebase node js tutorial

This article is an introduction to the nodejs tutorial series. It mainly describes the features of nodejs, the module mechanism CommonJs (module reference, module definition, Module Identification, module implementation), packages, and NPM, this is a very detailed article. Preface If we don't want to learn nodeJs, we will get old... when the HTML5 waves hit us, many of our predecessors started the NodeJs journey, and at that time I was still working

:...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

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

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

state of the thread and restores its control over the CPU to continue execution. This I/O pattern is the usual synchronous I/O (synchronous I/O). asynchronous I/O: When a thread encounters an I/O operation, it does not block the completion of the I/O operation or the return of the data, but simply sends the I/O request to the operating system and proceeds to the next statement. When the operating system completes an I/O operation, the thread that notifies the I/O operation as an event

Preface using Nodejs to build a Web server is a comprehensive introductory tutorial for node. js, because to complete a simple Web server, you need to learn some of the more important modules in Nodejs, such as: HTTP protocol module, file system, URL parsing module, path parsing module, and the 301 redirect problem, let's talk a little bit about how to build a si

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-

":{ "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

Tags: Verify options note localhost crud pre type unique MonThis article focuses on installing the basic tutorial using Mongoose to let node. js operate MongoDB, front-end js+ back-end Node+js Operation MongoDB is the so-called mo

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

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

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

various asynchronous APIs based on this. Asynchronous network IO is only a specific application on it. And now the twisted mentioned in the question actually does not have the comparability with Nodejs at this point at all! The reason I chose Nodejs is largely because it is JavaScript, so that I can complete the project in the same language in the front and back, which is a great advantage! In addition, although Nodejs is not unique, it is not the first JavaScript-based service-side scenario. B

, and some historical problems left, so they do not like new things. So at this stage, many Nodejs applications are the bridge between the front end and the back end. Generally speaking, there is no historical burden of the new company Ah, start-up companies ah, incubation projects and other more willing to use Nodejs, fast and efficient. Now basically all front-end applications have Nodejs shadow, what react, vue, angular, and so on, its application scenarios and the job market are also very la

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

. 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