js map async

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TindyC answered on October 30, 2020 Popularity 10/10 Helpfulness 6/10

answer js map async

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js map async

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const arr: number[] = [1, 2, 3, 4, 5];

const result: number[] = await Promise.all(arr.map(async (elem): Promise<number> => {
    await asyncFunction();
    return elem + 10;
}));
// result === [11, 12, 13, 14, 15]

Popularity 10/10 Helpfulness 6/10 Language typescript

Source: Grepper

Tags: map promise typescript

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Contributed on Aug 04 2021

TindyC

0 Answers Avg Quality 2/10

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async map js

Comment

const arr = [1, 2, 3];

const asyncRes = await Promise.all(arr.map(async (i) => {
	await sleep(10);
	return i + 1;
}));

console.log(asyncRes);
// 2,3,4

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 22 2021

abdelghanyMh

0 Answers Avg Quality 2/10

async map javascript

Comment

const usernames = ['midudev', 'd4nidev', 'codingwithdani']

const posts = await Promise.all(
  usernames.map(async (username) => {
    return await fetchPostsFromTwitter(username)
  })
)

console.log(posts)
/*
[ 
  postsFromMidudev,
  postsFromD4nidev,
  postsFromCodingWithDani
]
*/

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: midu.dev

Tags: javascript j

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Contributed on Dec 01 2022

Grieving Gharial

0 Answers Avg Quality 2/10

async map js

Comment

Arr = await Promise.all(arr)

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Oct 30 2020

Zacarias Zack

0 Answers Avg Quality 2/10

async map.js

Comment

const arrr = [1, 2, 3];

const asyncRes = await Promise.all(arrr.map(async (i) => {
	await sleep(10);
	return i + 1;
}));

console.log(asyncRes);
// 2,3,4

Popularity 8/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Mar 01 2023

Zakaria Hassan

0 Answers Avg Quality 2/10

async map js

Comment

const arr = [1, 2, 3];

const syncRes = arr.map((i) => {
	return i + 1;
});

console.log(syncRes);
// 2,3,4

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: advancedweb.hu

Tags: javascript j

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Contributed on Aug 22 2021

abdelghanyMh

0 Answers Avg Quality 2/10

js map async

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