What is node. js

Although node. js has a JS suffix, he is actually using the Chrome browser's V8 engine, written in the C + + language ,

is essentially a JavaScript run environment

When it comes to JavaScript, you can think of various interactive components on the browser, asynchronous requests, and they rely on the JS engine on the browser to parse the JS code on the page.

That node. JS can not only parse the JS code, and there are no browser security restrictions, but also provides many system-level APIs:

For example: file read/write, process management, network communication, etc.

Why learn about node. js

1, it's very hot NPM community active GitHub see a lot of related projects

2, it is strong, such as Node-webkit,appjs,gulp,fdbkit,ghost,jade and so on

3, Blow

Provide beginners A few sites to learn node

http://nodejs.cn/official website, see development
https://www.npmjs.com/when developing new projects, solve problems in development, save time and effort
https://github.com/search?utf8=%E2%9C%93&q=node&type= reading excellent source code, quickly improve the way of learning speed
https://stackoverflow.com/technical question community, often use him to solve technical problems, such as configuration problems, service error

What is node. js