node js modules tutorial

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

This article mainly introduces the use of Node-based. js build tool Grunt to release ASP. the NETMVC project tutorial and automated build tool Grunt has compilation, compression, unit testing, and other functions. It is very powerful. If you need it, refer to the following. Grunt IntroductionGrunt is a construction tool based on

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

[Node. js] uses the File API to upload files asynchronously, and node. jsapi Address: http://www.moye.me/2014/11/05/html5-filereader/ Recently, I was working on a network disk project, which involved uploading large files. The question is: How can I display the File Upload progress in real time?Problem breakdown It seems that I have done similar functional

Node. js does not provide a solution for mysql module running errors. node. jsmysql Problems Found When using node. js to connect to the database, the following error occurs:Cannot find module 'mysql; Then, the administrator and user respectively use npm to install the da

Loading Mechanism of node. js and dojoBoth node. js and dojo comply with the commonjs module specifications. Node. js supports the module1.0 specification, while dojo supports the AMD (asynchronous module definition, that is, asy

) { return x + y;}But you can use it too, JavaScript has no opinion, although the result is unreasonable:SUM (+, ' hello '); Result-100helloSo, we use TS such a qualification, to ensure that the above call is not compiled (the input is number, the return must be number:function sum (x:number, Y:number): number { return x + y;}Because we firmly believe that summing a number and a string is not a sensible requirement--and that the result of sum is credible.class ExampleIn

[Node. js learning] -- (7) -- install Mongodb and node. jsmongodb Download and install mongodb Reference: mongodb official website http://www.mongodb.org/ Download mongodb-win32-x86_64-2008plus-ssl-3.0.0-signed, msi Knowledge: view the number of digits in the system wmic os get osarchitecture Install Reference: Official website

Node. js blog instance (10) pv statistics and message statistics, node. jspv Original tutorial. In post. js, modify var post = {...} To (after each change, clear e:/mongodb/blog ): // Document var post = {name: this. name, time: time, title: this. title, post: this. post, t

Node + express crawler tutorial, node Crawler I recently started to learn node. js again, and I forgot everything I learned before. So I want to learn it again, so let's start with a simple crawler. What is crawler? Baidu encyclopedia's explanation: Web Crawler is a program

file asynchronous loading, to avoid the browser suspended animation. ② dependencies between management modules for easy module Maintenance· CommonJS:Node.js is the CommonJS specification followed by the exports output module, Require Introduction module, detailed usage see node. JS Chapter. · AMD: Because the Commonjs Introduction module is introduced synchronou

" Event.jsEvent.jsvar Eventemitter = require (' Events '). Eventemitter;var event = new Eventemitter ();//Registers a listener for event some_event Event.on (' some_event ', function () {Console.log ( ' some_event occured. '); SetTimeout (function () {//Send event Some_eventevent.emit (' Some_event ');}, 1000);When does node. js go into the event loop? The answer is that the

What is node. js?node. JS is a Web application framework built on Google Chrome's JavaScript engine (V8 engine). The latest version of this is: v0.12.7 (the version that was written during this tutorial). The definition file for node