CommonJS 与 ES6 的依赖操作方法(require、import)

CommonJS:http://www.commonjs.org/specs/modules/1.0/

ES2015的

export:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/export

import:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import