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 defaultfunction(){}

import demoform 'xxx.js'

No need for braces

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