js is map async

1var arr = [1, 2, 3, 4, 5];
2
3var results: number[] = await Promise.all(arr.map(async (item): Promise<number> => {
4    await callAsynchronousOperation(item);
5    return item + 1;
6}));
7

1Arr = await Promise.all(arr)

1let obj = {
2  one: 1,
3  two: 2,
4  three: 3
5}
6
7obj.map((element, index) => {
8  // do something
9  // return result
10});
11
12/*
13  map() is a higher order function (a function that takes another
14  function as a parameter) and as such is synchronous
15*/