node js deep learning

Deep Learning JS NodeDOM (model)All the nodes in the HTML document make up a document tree model,Every element, attribute, text, and so on in an HTML document represents a treeA node. These nodes are interconnected and affect each other to form aThe complete page we call the model.Each component in an HTML document is

Node. js asynchronous I/O learning notes, node. js learning notes The term "Asynchronous" is widely used in the Web 2.0 wave, which swept the Web along with Javascript and AJAX. Asynchronous programming is rare in most advanced pr

A deep understanding of the path module of node. js, node. jspath Node path Module // Reference this module var path = require ("path "); 1. parse the path to obtain the canonicalized path format. // For the window system, the directories are separated into '\'. For UNIX sys

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 webpa

My path to Node. js Learning (1) and the path to node. js Learning 1. Introduction to node. jsI have a lot of information on the Internet. 1. What is

Js deep learning-object and js deep learning object Many articles have introduced that JavaScript is a programming language. Since object-oriented programming must have objects, what are the differences between

Deep Learning about js waterfall stream layout and deep learning about js waterfall The examples in this article share the js waterfall stream layout

Deep js learning-code reuse of callback functions and deep js Learning In js, a code block is often used repeatedly in multiple places. This method is not conducive to code optimization

Js deep learning notes (1), js deep learning notesJs is a simple introduction. new Foo (): 1. the prototype of the object directs to the prototype attribute of the Foo constructor. The advantage is that if the object does not exis

This is a special Node. js learning note for beginners. This note will show you how to Start Node. js step by step. 1. Introduction to node. js I have a lot of information on the Inte

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 sc

Node. js Learning (2)-routing function and form upload, node. js form Today. getting started with js this book has learned some basic knowledge about node, including server creation, im

My Node. js learning path (4) -- unit test and node. js unit test NPM installation: Npm install nodeunit-g Supports command line and browser running. Various assertions. In node. js, mo

represents the synchronous execution of the read file operation, which blocks the main process so that the main process can continue after the file is read, and the result is as followsG:\nodejs>node Server.jsi'm file.txtoverNon-blocking codevar fs = require ("FS"); Fs.readfile (thefunction (err, data) {if return console.error (err); Console.log (Data.tostring ());}); Console.log ("over");　Note: The error function prints incorrect informatio

instruction to load the HTTP module and assign the instantiated HTTP value to the variable httpvar http = require ("http");Creating a serverNext we use the Http.createserver () method to create the server and bind port 8888 using the Listen method, which receives and responds to data through the request and response parameters.Examples are as follows:　　//introducing the required modulevarHTTP = require (' http '); Http.createserver (function(Request, response) {//Send HTTP Header //HTTP stat

; optionvalue="">Five-Equal prizeoption> optionvalue="">Six prizeoption> optionvalue="">Seven-Equal prizeoption> optionvalue="">Eight prizeoption> optionvalue="">Ninth Prizeoption>Select>inputtype= "button"value= "Lottery"ID= "BTN"/>Script> varsel=document.getElementById ("sel"); varOptions=Sel.children; varbtn=document.getElementById ("btn"); Btn.onclick=function(){ varIndex=Math.floor (Math.random ()*options.length); Options[index].selected=true; }Script>In the DOM, att

[Node. js learning] -- (1) -- HelloWord, node. js -- helloword Today, I practiced an entry-level case of nodejs, which is very lightweight and fast! Official Website Http://nodejs.org/download/ Download Windows 7 64-bit download msi installation package: Http://nodej

What is node. js?Nodejs is a JavaScript toolkit for writing high-performance Web servers (for JS development service-side programs)Single-threaded, asynchronous, event-drivenFeatures: fast, memory-consumingA millions concurrency test on the web, which consumes 16G of memory without optimization, is due to the asynchronous processing of events after single-threade

// Package1 2 var Package2 = require (". /package2 " 3 console.log ("Name:" + package2.getname ()); 1 // Package2 2 var name = "Lyjn"; 3 4 /* Todo:exports Set a GetName method to get the name */ 5 function () {6 return name; 7 };Fully OK2. Knowledge points in node only module scope, no global scope require the main role1.加载模块并执行模块中的代码;2.返回exports对象;Exports object1.所有模块都有一个exports对象，默认值是一个空对象`{}`;2.可以给exports对象添加属性;Little Tricks1.require

This article mainly introduces node. js mongodb Operations Learning summary, this article provides mongodb to create a database, insert data, connect to the mongodb database and query data and other code instances, friends can refer to the next, preparation 1. Create a table to be read in mongodb Create a database named Test The Code is as follows: Use extensio