Detailed explanation of module syntax in JavaScript ES6

import

First type: import

Writing:

import { awaitAddGoodsList, goodsSkuList ,setSku} from '@/api/marketActivity'

Quote :

mounted(){
awaitAddGoodsList//直接使用
}

Second type: import

Writing:

import * as limitedBuy from '@/utils/limitedBuy'

Quote:

mounted(){
　　limitedBuy.demo();
}

export

The first way of writing:

.export function demo(){}

The second way of writing:

function demo()
　　export {demo}

The third way can also be renamed

export {demo as demo1}这样import的时候就demo1

export default function(){}

import demo form 'xxx.js'

No need for braces

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