重学Node 0x2 NPM

npm init

Install 
npm install underscore

Using 
// index.js
const _ = require('underscore')
// require work
// Core module
// File or folder
// node_modules
const result = _.contains([1,2,3],3)
console.log(result)

Semantic Versioning
Major.Minor.Patch
^1.4.1 => 1.x
~1.4.1 => 1.4.x
1.4.1 => 1.4.1
Listing the Insatlled Package
npm list

npm list --depth=0

 View Registry Info for a Package
npm view mongoose

 Updating Local Packages
npm outdated

npm update

DevDependencies
npm i jshint --save-dev

 Uninstalling a Package
npm uninstall pname
npm un pname
Working with Global Package



作者：cell006
                    

 
                


                            npm
                            x2
                            node