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我如此拉风

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helloWorld.js

'user strict'

var s = 'Hello';

function hello(){
  console.log('hello world!');
}

function greet(name) {
  console.log(s + ',' + name + '!');
}

// module.exports 对外输出变量、函数或数组
module.exports = {
  greet:greet,
  hello:hello
}

main.js

'use strict'

var helloWorldModule = require('./helloWorld'); //module.exports = greet;

var name = 'xiaovina';


helloWorldModule.greet(name);
helloWorldModule.hello();
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