Promise in Looping Example

promiseLoop

const doFetch = (url) => fetch(url).then(result => result.json())
let urls =[
  'https://jsonplaceholder.typicode.com/posts/1',
  'https://jsonplaceholder.typicode.com/posts/2',
  'https://jsonplaceholder.typicode.com/posts/3',
  'https://jsonplaceholder.typicode.com/posts/4',
]

let promises=[]

urls.map((url) => {
  promises.push(doFetch(url))
})

Promise.all(promises)
.then(results => console.log(results))