let arr1 = [1, 2, 3, 4, 5];
let promises = [];
let arr2 = []
arr1.forEach(elem => {
    promises.push(new Promise((resolve, reject) => setTimeout(() => {

        resolve(arr2.push(elem));
    }, 5000 / elem)));
});


Promise.allSettled(promises).then(() => {
    console.log(arr2);
});