async map node js example

Example 1: map with async

const list = [1, 2, 3, 4, 5] //...an array filled with values

const functionWithPromise = item => { //a function that returns a promise
  return Promise.resolve('ok')
}

const anAsyncFunction = async item => {
  return functionWithPromise(item)
}

const getData = async () => {
  return Promise.all(list.map(item => anAsyncFunction(item)))
}

getData().then(data => {
  console.log(data)
})

Example 2: async map js

Arr = await Promise.all(arr)