Node. js development-socket programming, node. jssocket
The net module of Node. js provides socket programming interfaces, so that we can use the underlying socket interfaces to implement application protocols. This time we will look at a simple echo server example, includi
Detailed description of the use of require in node. js, node. jsrequire
The descriptions in the code comments are very clear, so there is not much nonsense here. The code is provided directly:
Copy codeThe Code is as follows:/* In node, you can use the require () function to load modules.* The require function uses a p
JS DOM node:The relationship of a node in the JS DOM is defined as the attribute of the node:There are usually the following types of relationships between nodes:(The relationship here is supported by all browsers)
ParentNode parent Node
ChildNodes child nodes
FirstChild the first child
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
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.
Node. js is one of the most popular frameworks in JavaScript and is easy to create scalable Web applications. Node. js contains different types of frameworks, including MVC, full-stack, RESTAPI, and Generators. With these frameworks, Node.
This article mainly introduces node. buffer in js. description of the fill method. This article introduces the buffer. fill Method description, syntax, receiving parameters, use instances and implementation source code. For more information, see
Method description:
Fill the specified data in the buffer.
Syntax:
The Code is as follows:
Buffer. fill (value, [offset], [end])
Receiving parameters:
the function header.
All functions are defined before use.
Name constructors and callback functions as much as possible, so that you can see a clearer call stack during debugging.
Try to define all member functions in the constructor through the prototype, define the attributes in the constructor, and then use the new keyword to create an object for the constructor.
Avoid complex inheritance. If you want to inherit, use the inherits function in the util module whenever possible. For example
This article mainly introduces node. buffer in js. buffer. description of the isEncoding method. This article introduces the buffer. buffer. isEncoding method description, syntax, receive parameters, use instances, and implementation source code. For more information, see
Method description:
Checks whether it is a valid encoding parameter and returns true or false.
Syntax:
The Code is as follows:
Buffer.
This article mainly introduces node. buffer in js. buffer. description of the isBuffer method. This article introduces the buffer. buffer. isBuffer method description, syntax, receiving parameters, use instances and implementation source code. For more information, see
Method description:
Checks whether the target is a buffer object. Returns true or false.
Syntax:
The Code is as follows:
Buffer. i
This article mainly introduces node. console in js. this document describes how to use the time method. time Method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see
Method description:
Start Time, which corresponds to console. timeEnd and records the time period.
Syntax:
The Code is as follows:
Console. time (label)
Receiving parameter
This article mainly introduces Node in detail. if you are interested in js data push, refer to the following scenario: backend update data is pushed to the client (Tomcat server is used in Java ).
There are many solutions for pushing data at the backend, such as polling, Comet, and WebSocket.
1. polling is the lowest development cost for the backend, that is, processing Ajax requests and returning data in
Abnormal handling of noisy NodejsMany people have such an image, Nodejs faster, but because it is single-threaded, it is not stable, a little insecure, not suitable for dealing with complex business, it is more suitable for high concurrency requirements, and simple business scenarios.The author of the Express's TJ Holowaychuk's farewell to node. JS article lists the following counts:Farewell NodeJS (TJ Holo
Log Server Based on Node. js and express, node. jsexpress
First of all, the significance of this article is greater than the actual value. If I joined umeng directly in the game as I intended, the information would be more comprehensive and simple. However, there are always many people who use their outdated or wrong experiences to say how bad they are and how go
This article mainly introduces the definition of node. js, as well as a summary of the role of node. js, I hope you learn more, let's come and see this article
First, let's look at what node. js can do.
This is node's more formal
In short, the main content of this article is to use CC ++ to implement Node. js modules are very good. If you need them, you can refer to a pitfall N long ago-use Node. js to refactor NBUT's Online Judge, including the evaluation end. (Don't worry about when it's done. (/‵ Д ′)/~ Zookeeper
In short, what we need to d
Analysis of Memory leakage in Node. js, analysis of node. js
This article is the first article in the Node. JS Holiday Season series by Mozilla's Identity team. The team released the first beta version of Persona last month. When
This article mainly introduces Node. three implementation methods of js writing components, including pure js implementation, v8API implementation (synchronous amp; asynchronous), and implementation using the swig framework, if you are interested, refer to the following: first, we will introduce the differences between using v8 APIs and using swig frameworks:
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Brief Introduction to node. js version control nvm and n, node. jsnvm
Today's topic includes two parts
1. Use nvm or n for version control under node. js2. After the node. js version is installed on nvm, restart the terminal
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