For node. JS Development, in the case of the IDE,Webstorm is not the second choice, but it is chargeable (free to use for 30 days). First, let's start by using notepad++ to write the node. JS application. There's a big benefit to this: there's no code highlighting and auto-completion about
This article describes how to use Node. js to compile extensions for other programs. The example in this article is to use Node to allow JavaScript code to interact with C ++ applications. For more information, see
Start preparation
First, we use the following directory structure to create a node notification folder.
-party module with the same name already exists, the core module is loaded first.
For example, if you want to load and use the http core module, you can do this:
The Code is as follows:
Var http = require ('http ');
This will return an http module object that contains the htpp module APIs defined in the Node API document.
Load file module
You can also use absolute paths to load modules from the file syste
-party module with the same name already exists, the core module is loaded first.
For example, if you want to load and use the http core module, you can do this:
The Code is as follows:
Var http = require ('http ');
This will return an http module object that contains the htpp module APIs defined in the Node API document.
Load file module
You can also use absolute paths to load modules from the file syste
This article focuses on the definition and description of node. js, as well as 10 scenarios for node. js to let you know where node. js can be applied, and now let's look at this article.
First we need to know what
written in C/C ++ and loaded using the dlopen () method.3). json file: Read the file synchronously through the fs module and parse the returned results using JSON. parse ().4) Other extension files: All files are loaded as. js files.
We know that each module file contains the require, exports, and module variables by default, and even in the Node API documentati
Which framework is better for developing web applications with nodejs? Express? Or what else? Today, I will recommend some of the best Node. js backend framework Node. js this year to help you build a javascript framework for website application services. It helps you develop Web applications faster.
This article mainly introduces Node. in js, the event transmitter mode is used to implement event binding. This article also explains the basic knowledge of callback mode, transmitter mode, and event type. For more information, see Node, many objects launch events. For example, a TCP server will launch a "connect" event whenever a client requests a connection. Fo
This article mainly introduces the amazing node. the routine analysis of js Reading Notes. If you need it, you can refer to the nodejs learning content of the next week for the use of several dependent packages and repeat the examples in the book. This article takes the routine as a clue to review the work of the week.
1. connect
This routine mainly uses the connect dependency package. connect provides a m
This article mainly introduces introduction to Node. js and the installation and development environment. If you need it, refer to the following learning materials.
1. go deep into Node. js2. Node. js Development Guide
Introduction (only what I think is important)
Asynchronous programming practices of when. js under node. js, node. jswhen. js
Assume a business scenario:
Get and save the rss feed to a file through the rss address, and save the rss address to the file.
To complete the business in this scenario, you need to complete thre
, multiple libraries can simplify our development work. For example:
1) node-restify
Home: https://github.com/mcavage/node-restify
Restify is a streamlined and similar to the Express library. It is used to build the Node. js library of RESTful APIs.
Installation:
$ npm install restify
2)
This article mainly introduces the asynchronous programming practices of when. js under node. js. If you need it, you can refer to the following assumptions for a business scenario:
Get and save the rss feed to a file through the rss address, and save the rss address to the file.
To complete the business in this scenario, you need to complete three tasks:
1. Rea
[Simple introduction to node. js] excerpt 2: simple introduction to node. jsChapter 2 module Mechanism
1. The purpose of the CommonJs specification is to allow JavaScript to run anywhere.
2. For a long time, JavaScript has the following defects:
(1) No Module System
(2) fewer standard databases
(3) No standard interface
(4) Lack of a package management system
The
,getRecentActivity,getSubscriptions,getNotifications], function(err, results) {//This callback runs when all the functions complete});}
If you want to learn more about async. js, go to its GitHub page.
2. asynchronous
According to the design, Node. js is single-threaded. Based on this, the synchronization code will block the entire application. For example, most
This article focuses on. two key concepts of js: non-blocking IO and event loops are summarized appropriately. If you need them, you can refer to the following concepts to learn and use Node. javascript has been writing a web application and a RESTful web api using express and mongoose for two months. js official websi
For other third-party modules installed through NPM (third-party modules) or local modules, each module exposes a public API. So that developers can import data. For example
Copy codeThe Code is as follows:Var mod = require ('module _ name ')
After this statement is executed, the Node will load the built-in module or the module installed through NPM. The require function returns an object. The
This article mainly introduces Node. the general module Encapsulation Method in js. For the encapsulation method, see Underscore. js implementation. For more information, see Node. the module loading and execution are encapsulated in js, so that the variables in the module F
First glance at node. js and node. js
Node. js is a platform based on Chrome JavaScript runtime. It is used to conveniently build fast and scalable network applications.
Node.
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