Configuration of the 1:nodejs development environment

Configuration of the Nodejs development environment:

Just started to learn mainly on Mac, so temporarily only recorded on their own Mac learning experience;

One: Installation

1: Download node's operating environment from official website

https://nodejs.org/

2: Double-click the pkg file installation, the general node itself will be in the environment variables to add their own;

After installation, you can see

Two: Test,

1: Open terminal input node-v,

You can see the following version information, indicating that the installation is OK.

2: Install a debug tool: Supervisor

sudo npm install-g Supervisor

Three: a small demo

1: New nodedemo.js, Content:

Console.log ("Hellow Node js!");

2: In the terminal CD to the directory where the Nodedemo.js is located, and execute:

Node Nodedemo.js

Immediately after the terminal output: Hellow Node js!

3: It means everything is installed successfully!

Four: can also use: Supervisor start JS Application;

For example: in the terminal

Supervisor Nodedemo.js

The advantage of using supervisor is that the modified code can be refreshed dynamically without stopping the service;

Test examples in the next section

Configuration of the 1:nodejs development environment