node js

The installation of nodejs and framework express in Windows 7 has been popular since its birth. I recently installed an environment to learn about it. The installation steps are simple and simple. I would like to share them with you. 1. install node. js. Go to the official website: http://www.nodejs.org/download. Select Windows Installer or Windows Installer (. msi) 32-bit to download the installation pack

How to Use jQuery in Node. js and Node. js Want to use jQuery in NodeJs? First, install jquery and npm install jquery. The installed version is 3.1.0. Next, first we will use var $ = require ('jquery '). Save the following code as app. js var $ = require('jquery')$("body").a

Node. js crawlers crawl garbled data. node. js crawlers crawl garbled data. 1. Non-UTF-8 page processing. 1. Background Windows-1251 Encoding Such as Russian site: https://vk.com/cciinniikk Shameful discovery is this encoding Here we mainly talk about the problems of Windows-1251 (cp1251) encoding and UTF-8 encoding.

This article describes how to use the Client Session in Node. js programming. It is the basic knowledge of Node. js beginners. If you need it, you can refer to the static website for easy extension. You only need to cache all the data and do not need to consider combining stateful content from different servers to user

This article describes how to implement routing in node. js. As the name suggests, routing means that we have different processing methods for different URLs. This article will teach you how to implement routing in node. js. to implement the routing function in js, you can r

Node. js uses the Google Chrome V8 engine, which has good performance and provides many system-level APIs, such as file operations and network programming. Node. js is a comprehensive background runtime that provides many functions that can be implemented by other languages for Javascript. Today, let's take a look at N

This article describes how to use npm to publish a Node. JS package tutorial. This article describes how to configure a package. json, register an npm account, publish a package, etc. For more information, see if npm is a Node. JS package manager. During Node.

The console. trace Method in node. js is used in node. js scenarios. Method description: Outputs the current call stack to the standard error stream. Syntax: Copy codeThe Code is as follows:Console. trace (label) Receiving parameters: Label Example: Copy codeThe Code is as follows:Console. trace ();// Running result:Tr

This article mainly introduces how to use Node. js to implement content sharding in HTTP206. Node. js is a JavaScript framework for servers. For more information, see Introduction In this article, I will describe the basic concept of HTTP status 206, and use Node.

This article describes how to quickly master Node. the use of setTimeout and setInterval in js. If you are interested, refer to Node. js and js also have timers, time-out timers, interval timers, timely timers, and processes. nextTick (callback) function to implement event s

This article mainly introduces the method and code for starting the script file of node. js at startup. here, I will share it with you. if you need it, refer to it. The code is as follows: #! /Bin/bash### BEGIN INIT INFO# Provides: xiyoulib# Required-Start: $ all# Required-Stop: $ all# Default-Start: 2 3 4 5# Default-Stop: 0 1 6# Short-Description: Start daemon at boot time# Description: Enable service pr

Node. js notes (5) Talk about routing and node. js notes about Routing The routing usage problem is also mentioned in previous notes, but there is always a "passive" feeling that you must enter an address in the browser to access the corresponding url. We hope to click a button or link to go to another page. We finall

Writing great ES6 style Promises for node. JS is only half the battle. Your great modules must include tests as well to ensure the future iterations don ' t break them. In this lesson, I show you a simple ES6 Promise in node. js, then walk to through creating tests in Mocha using Chai and C hai-as-promised to test both

Node. js checks for updates using the command line tool, and node. js command line With the popularity of Node. js, it becomes easier to develop command line tools using Node.

Talking about node. js database Exception Handling, talking about node. js Exception Handling This article describes how to handle node. js database exceptions: NodeJs version: 4.4.4 Database Link error It is the most troublesome

This article mainly introduces Node. examples of simple web page capturing functions implemented by js. This article uses libraries such as PhantomJS and node-phantomjs to implement these functions. For more information, see the following: web page capturing is a well-known technology, however, there are still a lot of complexities. Simple Web crawlers are still