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 frequently used programming languages in the world. It is a common language in the Web world and used by all browsers. JavaScript was born in the era of Netscape, and its core content
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 frequently used programming languages in the world. It is a common language in the Web world and used by all browsers. JavaScript was born in the era of Netscape, and its core content
This article mainly introduces. the Redis method is used in js applications, and the simplest data read/write operations are related. If you need it, please ensure that Redis and Node are installed before you start this article. js and Node. redis extension of js -- node_red
This article mainly introduces how to easily create a node. js server (5): event processing program. This series of articles will create a complete node. js server step by step, if you need it, you can refer to the introduction of an event processor module to provide different feedback for different requests.
This mod
This article mainly introduces node. emitter in js. the usage of the on method is described in this article. on Method description, syntax, receive parameters, use instances and implementation source code. For more information, see
Method description:
Registers a listener for a specified event.
Syntax:
The Code is as follows:
Emitter. on (event, listener)Emitter. addListener (event, listener)
Receiving
This article analyzes and explains node through several examples. the use of require in js is very detailed. Here we recommend that you provide a very clear description in the code comments. Here we will not talk nonsense about it. We will provide the Code directly:
The Code is as follows:
/* In node, you can use the require () function to load modules.* The r
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 uses several examples to analyze how to use the require () function in node. js to load modules. It is very detailed. For more information, please refer to the detailed descriptions below and write them in comments. Here we will not be so embarrassed. Let's take a look at the details here. Please never comment it out as air.
The Code is as follows:
/* In
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
This article mainly introduces node. in js, You Can format numbers to add thousands of characters. This article provides three implementation methods and provides the instance Code respectively. For more information, see the processing method separated by commas (,).
Regular Expression mode:
The Code is as follows:
"15000000 ". split (""). reverse (). join (""). replace (/(\ d {3})/g, "$1 ,"). split ("").
This article mainly introduces node. buffer in js. the usage of the copy method. This article introduces the buffer. copy method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see
Method description:
Replace the buffer.
Copy data from the source buffer and replace it with the specified location of the target buffer.
Syntax:
The Code is as f
This article mainly describes how to use the path. dirname method in node. js. This article describes the method description, syntax, usage examples, and source code implementation of path. dirname. For more information, see
Method description:
Returns the path directory. Similar to UNIX directory commands.
Syntax:
The Code is as follows:
Path. dirname (p)
Because this method belongs to the path module,
This article describes how to use the path. isAbsolute method in node. js. This article describes the method description, syntax, examples, and source code implementation of path. isAbsolute. For more information, see
Method description:
Checks whether the path is an absolute path. An absolute path will be resolved to the same location, whether in the working directory or not.
Syntax:
The Code is as foll
This article mainly introduces Custom Event instances in node. js. A simple example. For more information, see the EventEmitter that inherits events, then you can register the event through the on; emit triggers the event and removeListener removes the event. A simple example is as follows:
Var util = require ('util'); var Et = require ('events '). eventEmitter; function Ticker () {var self = this; s
One, JS get Element (parent node, child node, sibling node) var test = document.getElementById("test"); var parent = test.parentNode; // 父节点 var chils = test.childNodes; // 全部子节点 var first = test.firstChild; // 第一个子节点 var last = test.lastChile; // 最后一个子节点 var previous = test.previousSbiling; // 上一个兄弟
This article mainly introduces Node. js getting started Tutorial: install and configure Node on windows and Linux. the js method is illustrated in the following illustration. The detailed steps are to learn how to install node. js
Get started with Node. js development-access the external world with http and access with node. js
Node. jsHttp ModuleYou can not only build servers, but also access other servers as client class libraries. The key lies in two methods:
Http. request (options [, callback])
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
Quickly Master the encapsulation and use of the Node. js module and the node. js module Encapsulation
Node. js also has some function encapsulation, which is similar to the C # class library and encapsulated into modules for ease
This article mainly introduces Node. module mechanism learning notes in js. This article describes CommonJS module specifications, Node module implementation process, module call stack, packages, and NPM. For more information, see Javascript, no one once considered it a programming language. In the Web 1.0 era, this scripting language is mainly used for Form Veri
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