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the Dashboard page, you need to execute the following calls: User information-getUserProfile (). Current Activity-getRecentActivity (). Subscription content-getSubscriptions (). Notification content-getNotifications (). To obtain this information, you should create independent middleware for each method and link them to the Dashboard route. However, the problem is that the execution of these methods is linear, And the next method will not start befor

file under the installation directory is: Js Code Var http = require ('http'); http. createServer (function (req, res) {res. writeHead (200, {'content-type': 'text/html; charset = UTF-8 '}); res. end ('I am using Node. js write program ');}). listen (4000, "127.0.0.1"); console. log ('server running at http: // 127.0.0.1: 4000 /'); Then go to the installation

on. The above code we completed a working HTTP server, that is, the above code we can complete a local server build, when we run the above code, a local server began to run, we only need to open the browser to this server to send a request, This server will return your defined return data to the browser (to learn more about node. js, go to topic.alibabacloud.comnode.js Chinese Reference manual section) Use

http = require ('http'); http. createServer (function (req, res) {res. writeHead (200, {'content-type': 'text/html; charset = UTF-8 '}); res. end ('I am using Node. js Write Program \ n ');}). listen (4000, "127.0.0.1"); console. log ('server running at http: // 127.0.0.1: 4000 /'); Then go to the installation directory on the terminal. For example, if the drive C is just opened, we will install it on disk

This article describes how to create a web calculator using node. js + express. For more information, see Environment: HOST: WIN10 Express installation: 1. Install express-generator Enter the following command: npm install -g express-generator 2. Install express Enter the following command: npm install -g express 3. verify whether the installation is successful Enter the command: express-V View help: e

attributes: 1,error.message-Error message 2,error.stack -Error stack tracing information In addition to the attributes of the Error instance, you can also customize some Error attributes. For example, to customize an attribute status that indicates the status: Var error = new Error ('the page you accessed does not exist'); error. status = 404; 2.2 System Error System Error: JavaScript ErrorErrorAn extension of the object, which indicates the operatio

callback function has complicated the code, and the exception handling in asynchronous mode has increased the complexity of the Code. Articles you may be interested in: Asynchronous Concurrency Control in Nodejs crawler advanced tutorial Nodejs implements the bigpipe asynchronous page loading scheme In-depth analysis of node. js concurrent asynchronous callb

Node. js for front-end pig and Node. js for pigFront-end pig flying traditional front-end pig most of the work is the page layout, rendering and animation effects, playing with is always a web shell, because there is no background support, this always makes front-end pig fee

Node. js Learning (2)-routing function and form upload, node. js form Today. getting started with js this book has learned some basic knowledge about node, including server creation, implementation of routing functions, form uploa

very troublesome, but we can solve the problem through a module$ npm install -g supervisorInstall supervisor. Start app.js with the Supervisor command:$ supervisor app.jsThis does not have to turn off every time and then open, but in fact, so when the code is wrong, it will always restart execution, difficult to see the wrong hint, in fact, not good.3. MiddlewareWhat is middleware, in fact, this I also want to find a lot of information, behind the discovery of simple as PHP plug-ins, introduced

After you install node. js, choose a beneficial IDE for your development.After comparing multiple Ides, it is positioned on webstrom and sublime.There is a simple comparison:Webstorm feature is very rich, the front-end development tool of the synthesizer, compared to sublime slightly heavierSublime plug-in is also very rich, the interface is more beautiful, very light, also has a simple project management f

Node. js blog instance (7) Paging function, node. js Paging Original tutorial. Adds the paging function to the homepage and user pages of a blog. Set: up to 10 articles can be displayed on each page of the home page and user page.

When we use PHP to write background code, we need to use Apache or Nginx HTTP server, with MOD_PHP5 modules and php-cgi.From this perspective, the entire "Receive HTTP request and provide Web page" requirement does not need PHP to handle at all.But for node. JS, the concept is completely different. When using node.

Node. js blog instance (6) message function, node. js instance Original tutorial. This function enables users to leave messages for articles. The messages are stored in the database. Post. js, modify the document to be saved in Post. prototype. save as follows: // Var post

Node. js blog instance (5) Editing and deletion functions, node. js instance Original tutorial. Now, you can edit or delete an article for a blog. When a user is online, he or she is allowed to edit or delete only the published article pages. When editing, he or she can only edit the article content, not the title of t

This article mainly introduces how to use Node in MacOS. simple js tutorial, Node. js is a framework that allows JavaScript applications to run on the server. If you need JavaScript, you can refer to this article for a good Node. js