12 things that node.js has to say_node.js

1.node.js, server-side javascript, which allows running javascript code on the backend (out of the browser environment).

2. The event-driven, asynchronous I/O programming model (single-thread) is its core.

3. The javascript engine of node.js is v8, which comes from the google chrome project. V8 is claimed to be the fastest javascript engine in the world.

4.node.js has built-in http server support, which means you can easily implement a combination of website and server.

5.commonnjs attempts to define a set of APIs used by common applications, thereby filling the shortcomings of the JavaScript standard library being too simple. Node.js is an implementation of commonjs.

6.node package manager (npm), which can be used to install some applications online.

7.Basic usage of node: node xxx.js (script file name) or node -e "xxxxxxxxx" (code that can be executed directly)

8.node Enter -->repl (read-eval-print loop) mode, press ctrl c twice in succession to exit repl mode.

9. Use supervisor to refresh the script and use it for debugging. Installation: npm install -g supervisor Start application: supervisor app.js

10. Modules are the basic components of node.js applications, and files and modules are in one-to-one correspondence.

11. The package of node.js is a directory, and there is package.json in the top directory

12. Start angular-seed-master with node: node scripts/web-server.js