Nodejs Day 1


Posted by on August 9, 2018

1. 建立信心,先來個 Hello World!! 吧!!

工作環境:Ubuntu 16.04 64 bit

hello.js
{. text-info}

// print 'Hello world!!'
console.log("Hello World!!");
2. npm init 建立專案。
# mkdir xxx
# cd xxx
# npm init 
This utility will walk you through creating a package.json file.
It only covers the most common items, and tries to guess sensible defaults.

See `npm help json` for definitive documentation on these fields
and exactly what they do.

Use `npm install <pkg>` afterwards to install a package and
save it as a dependency in the package.json file.

Press ^C at any time to quit.
package name: (xxx) 
version: (1.0.0) 
description: npm init sample
entry point: (index.js) 
test command: 
git repository: 
keywords: npm init
author: kisaku
license: (ISC) 
About to write to /work/git/language/nodejs/package.json/xxx/package.json:

{
  "name": "xxx",
  "version": "1.0.0",
  "description": "npm init sample",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "npm",
    "init"
  ],
  "author": "kisaku",
  "license": "ISC"
}


Is this OK? (yes) 

然後系統會自動幫你生成 package.json ,接下來進入點定義為 “main”: “index.js” ,

To be continued…

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