This article mainly introduces node. socket. js. i/O advanced usage skills. This article describes the configuration, room, event, authorization, and other content. For more information, see Socket in the previous blog. IO, I briefly introduced Socket. i/O basic usage and a simple chat room DEMO is created. This article will continue to explore the advanced usage of Socket. IO Based on the introduction. Thi
This article mainly introduces socket in node. io event Usage Details. For more information, see socket. the io class library can not only send messages to each other, but also send events to each other through the emit method of the socket port object.
In the previous event, emit said that it was used to manually trigger the event.
The Code is as follows:
Socket. emit (event, data, function (data1, data2 ......){});
When you use the emit method t
This article mainly introduces node. buffer in js. description of the write method. This article introduces the buffer. write method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see
Method description:
Write string into the buffer offset using the specified encoding.
Returns the number of octal bytes written.
If the Buffer does not have enough spa
This article mainly introduces node. url in js. description of the parse method. This article describes the url. parse method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see
Method description:
Converts a URL string to an object and returns it.
Syntax:
The Code is as follows:
Url. parse (urlStr, [parseQueryString], [slashesDenoteHost])
Receivi
This article mainly introduces node. url in js. the format method is described in this document. format method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see
Method description:
Convert a parsed URL object into a formatted URL string.
Syntax:
The Code is as follows:
Url. format (urlObj)
Receiving parameters:
UrlObj indicates a URL object and
This article mainly introduces node. console in js. this document describes how to use the assert method. assert method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see
Method description:
This method is the same as assert. OK. If the expression evaluates to false, an AssertionError will be thrown along with the message)
Syntax:
The Code i
This article mainly introduces node. console in js. this document describes how to use the warn method. warn method description, syntax, receive parameters, use instances and implementation source code. For more information, see
Method description:
This method is the same as console. error. You can see the source code. The console. error is actually directly called by console. warn.
Syntax:
The Cod
Get started with Node. js, Express, Ejs, Mongodb server, and application development, node. jsmongodb
This article is a guide for front-end developers to build a Node from scratch. in js, Express, Jade, and Mongodb server, the reason why Jade is changed to Ejs is that I thin
This is the first article in the Node. js Study Notes series. It mainly explains how to install Node. js on Windows and Linux. The software installation version 0.12.0 is used as an example. I hope you will like it. Simply put, Node. js
I needed a problem when I was working on the project today. I wanted to find a string, but I forgot it. It was in that file, so I remembered node. js, finding this string without any pressure, shares with you the following requirements:
The entire directory is about 40 MB, and there are countless files. For a long time, I cannot tell which file the character string belongs. Powerful and eye-catching
This article describes how to build a Node based on zero infrastructure. js, Express, Ejs, Mongodb server, and application development. This article provides a cost tutorial for Windows 8 systems. For other systems, see, if you need a Node, refer to the Introduction Guide for front-end developers in this article. in js
This article describes how to build a Node based on zero infrastructure. js, Express, Ejs, Mongodb server, and application development. This article provides a cost tutorial for Windows 8 systems. for other systems, see, if you need a Node, refer to the introduction guide for front-end developers in this article. in js
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
See JavaScript references in Node. js, and node. jsjavascript
Early Learning Node. in js (2011-2012), many of them were transferred from PHP. At that time, some people were interested in Node. it is troublesome to restart the code
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 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
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
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