best way to learn node js

(,), node searches for these paths if it does not find a module elsewhere (note: in windows, NODE_PATH is a good separator .)In addition, node will search for the path: [javascript] view plaincopyprint?1: $ HOME/. node_modules2: $ HOME/. node_libraries3: $ PREFIX/lib/node 1: $ HOME/. node_modules2: $ HOME/. node_libraries3: $ PREFIX/lib/

) { return x + y;}But you can use it too, JavaScript has no opinion, although the result is unreasonable:SUM (+, ' hello '); Result-100helloSo, we use TS such a qualification, to ensure that the above call is not compiled (the input is number, the return must be number:function sum (x:number, Y:number): number { return x + y;}Because we firmly believe that summing a number and a string is not a sensible requirement--and that the result of sum is credible.class ExampleIn

"Node. JS Development Guide" This book, which only has more than 180 pages, I spent one months in my spare time is a rough look. In the middle because the company project overtime, interrupted several times. Greatly drag the progress, now empty out of time, write a little bit of their own feelings.Start with the disadvantages first:　　I think the biggest drawback is the old.

This article mainly introduces how to learn the communication between parent and child processes from the child_process module of Node. js, which has some reference value. If you are interested, you can refer to it. This article mainly introduces # wiki/1498.html "target =" _ blank "> Node. the child_process module of

3.1 Start programming with node. js3.1.1 Hello WorldSave the following source code in the Helloworld.js fileConsole.log (' Hello world! ' ); Console.log ('%s:%d ', ' hello ', 25);Locate the file location and execute node helloworld.js. The results are as follows:3.1.2 node. JS Command-line toolInput:

']Many people learn node. js immediately reads its documentation, but does not know node. js itself relies on the V8 engine to have a lot of things to learn, including new methods and objects brought about by ecma262v5, and some

[Node. js learning] -- (7) -- install Mongodb and node. jsmongodb Download and install mongodb Reference: mongodb official website http://www.mongodb.org/ Download mongodb-win32-x86_64-2008plus-ssl-3.0.0-signed, msi Knowledge: view the number of digits in the system wmic os get osarchitecture Install Reference: Official website tutorial http://docs.mongodb.or

, avoiding repeated loading. Supervisor can help you implement this feature by monitoring your code changes and automatically restarting node. js. The easy way to use it is to first use NPM to install Supervisor:$npminstall-gsupervisorStart app.js with the Supervisor command:$supervisorapp. js"Figure" Multi-threaded sy

+ + API to allow developers to expand functionality for node. js. node. JS absorbs the "event callback-based asynchronous single-threaded io" model from the Web front end, which includes almost all libraries, including the built-in modules, so it has a better concurrency performance. "

import it, as shown in the following code: var module = require(‘module_name') The above code imports a module named module_name, which may be a core module or a module installed with NPM. The require function returns an object containing all the public APIs of the module. The returned object may be any JavaScript value, a function, or an object that contains a series of attributes (functions, arrays, or any JavaScript Object. Export Module The CommonJS module system is the only

Module) Stability: 5-locked Node has a simple module loading mechanism. The files and modules in node correspond one to one. For example, foo. js loads the circle. js module in the same folder. Foo. js content: [Javascript]Console. log ('the area of a circle of radius 4 is'+

Copyright belongs to the author.Commercial reprint please contact the author for authorization, non-commercial reprint please specify the source.Song XueyanLinks: http://www.zhihu.com/question/19713563/answer/23068003Source: KnowShare a super-hairy article "How To Learn JavaScript" (the original URL is inaccessible, so do not put the link, the content is below)Content:First of all, I am not a master, at most or a half bucket of water, is into the

This is an article about node. js. I personally think it is very good, especially it clarifies why the framework of node. JS is like this. Original address: http://www.ibm.com/developerworks/cn/opensource/os-nodejs/index.html? CA = Drs- What problems does node solve: The goa

I've been interested in learning more about node. JS recently. This is a server-side programming of the Java platform that allows developers to write Java code on the server, and many CentOS users are trying to learn the language's development environment. This is exactly what I want to do with this tutorial.First, make sure you have CentOS 7. Because it is the o

Express author TJ said goodbye to Node. js and rushed to Go, tjnode. js First, this is a Farewell Node translated from TJ. js. After reading this article, I have indeed suffered some impact, but I do not agree with some of the author's views, such as I think

bottom of the jquery or call native JS but jquery's API encapsulates the differences in browsers to provide a convenient way to deal with the development ofJS is all done. jquery is only a JS framework, JS Framework is many. This is just better. It is strongly recommended to learn