async function promiseRace(promises) { 
 console.log(await Promise.all(promises).then(results=>(results[0])));
}

const firstPromise = new Promise(function(resolve) {
  setTimeout(function(){
    resolve("firstPromise");
  }, 500);
});

const secondPromise = new Promise(function(resolve) {
  setTimeout(function(){
    resolve("firstPromise");
  }, 400);
});

const thirdPromise = new Promise(function(resolve) {
  setTimeout(function(){
    resolve("firstPromise");
  }, 300);
});

promiseRace([firstPromise,secondPromise,thirdPromise]);