ES6学习笔记18 模块化

export let A=123

export function test() {
console.log('test')
}

export class Hello{
test(){
console.log('class')
}
}

第一种

import {A,test,Hello} from 'test.js';

console.log(A)

第二种

import * as lesson from 'test.js';
console.log(lesson.A)

let A=123

function test() {
console.log('test')
}

class Hello{
test(){
console.log('class')
}
}

export default{
A,test,Hello
}

第三种

import aaaaa from 'test.js';
console.log(aaaaa.A)