javascript模块

// ES6

var firstName = 'Michael'
function v1(){
	console.log('module.v1 log')
}

export {
	firstName,
	v1
}

// 模块引入，部分import引入 b.js
import { v1 } from './a.js'
v1()

// 整体引入 module
module  m form './a.js'
m .v1()

/*************************************************************/
// CommonJS 

var firstName = 'Michael'
function v1(){
	console.log('module.v1 log')
}
module.exports = {
	firstName:firstName,
	v1: v1
}

// commonjs模块引入 b.js
var m = require('./a.js')
m.v1()

/*************************************************************/
// AMD or CMD ------模块定义---------

define(function(require, exports, module){
	 module.exports = {
		firstName:'Michael',
		v1: function v1(){
			console.log('module.v1 log')
		}
	};
});

// ----------- AMD or CMD ------模块引入---------
define(function(require, exports, module){
 	var m = require('./a');
 	m.v1();
});