27return await promise 27 vs 27return promise 27 in javascript

1 if the promises successfully resolve, there isn’t a big difference 
2 between using return await promise and return promise.
3
4However, if you want to catch the rejected promise you’re returning
5from an asynchronous function,
6then you should definitely use return await promise expression 
7and add deliberately the await.
8
9catch(error) {...} statement catches only awaited rejected promises
10in try {...} statement.
11
12demos in source url