Promises & then/catch

Promise.race([
  fetch('/api/fast'),
  fetch('/api/slow'),
  fetch('/api/medium')
])

All results in order of completion
The result of the fastest Promise only
Promise.race() returns the result of the first settled Promise, whether fulfilled or rejected: 1) Returns a Promise that adopts the state of the first settled Promise, 2) Other Promises continue executing but their results are ignored, 3) Useful for implementing timeouts or choosing the fastest data source, 4) Can settle with either success or failure, depending on the first Promise to complete, 5) All provided Promises start executing simultaneously.
The fastest successful result only
All successful results