node js web application

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, modularize the method to export exports. If it

event processing mechanism of JavaScript and adopts a non-blocking I/O model, which is very suitable for real-time data-intensive applications. Node. js implements functions similar to Apache HTTP Server, enabling it to build JavaScript-based highly concurrent Web applications. Node.

don't know livewired, you should know that you can use the JScript language (1996) or Rhino in ASP. But until the 2009, these server-side JavaScript technology and the same application on the server side of Java, PHP, compared to appear relatively pale.When it comes to the origins of node. js, it's inevitable to talk to its founder, Ryan Dahl. In 2009, the servi

Npm is a module dependency management tool for Node. js. As a tool used by developers, it mainly solves problems encountered during Node. js development. Like RubyGems's importance to Ruby developers and Maven for Java developers, npm's importance to Node.

and run the following code: slc ctl cpu-start 1.1.61023 When we think we have captured the lagging behavior, we can run the following code to stop the analyzer: slc ctl cpu-stop 1.1.61023 Run the following code to write a file to the hard disk: CPU profile written to `node.1.1.61023.cpuprofile`, load into Chrome Dev Tools Okay, that's it. You can load the file into Chrome for further analysis as in the V8 analyzer. Make the right decisionIn thi

This article describes how to create a web calculator using node. js + express. For more information, see Environment: HOST: WIN10 Express installation: 1. Install express-generator Enter the following command: npm install -g express-generator 2. Install express Enter the following command: npm install -g express 3. verify whether the installation is success

Summarize some error types in Node. js and summarize the node. js types. Preface Multiple types of errors may occur in Node. js applications. For example, if a syntax error or runtime error occurs, a JavaScript error is triggered.

This article mainly introduces Node. js package details, Node. A js package is a directory that contains the package in JSON format. json, Node. the js package basically follows the CommonJS specification. For more information, se

Node. js Study Notes (2)-modularization, node. js Study Notes Welcome to reprint, but please indicate the source: http://blog.csdn.net/sysuzjz/article/details/43987289 Thanks: nodebeginner.org An application consists of different modules. Now we will introduce these modules

Node. js for front-end pig and Node. js for pigFront-end pig flying traditional front-end pig most of the work is the page layout, rendering and animation effects, playing with is always a web shell, because there is no background support, this always makes front-end pig fee

Node. js package details, Node. js package details In Node. in js language, packages and modules are not essentially different. packages are further abstracted Based on modules. Packages encapsulate an independent function, it is

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

before running. This process takes a little time, although the compilation speed from coffee to js is actually quite fast. However, this should not be a big problem. In general, require is written at the top of the file, that is, when the application is started, it is angry that all the require files are require, when require is used, coffee is compiled into js

After you install node. js, choose a beneficial IDE for your development.After comparing multiple Ides, it is positioned on webstrom and sublime.There is a simple comparison:Webstorm feature is very rich, the front-end development tool of the synthesizer, compared to sublime slightly heavierSublime plug-in is also very rich, the interface is more beautiful, very light, also has a simple project management f

[Simple introduction to node. js] excerpt 2: simple introduction to node. jsChapter 2 module Mechanism 1. The purpose of the CommonJs specification is to allow JavaScript to run anywhere. 2. For a long time, JavaScript has the following defects: (1) No Module System (2) fewer standard databases (3) No standard interface (4) Lack of a package management system The

Perfect solution to NODE. JS cross-origin problems, node. js cross-Origin My company colleagues (front-end) wrote pages over the past few days and said they could not get the desired JSON. Android iOS can get it, however, he is also a newbie and does not know why he only knows the cross-origin issue of