its that function we use it to call one time to every element in the array , and its creating a new array
The reduce() method executes a reducer function (that you provide) on each element of the array, resulting in a single output value.
SuperAgent is light-weight progressive ajax API crafted for flexibility, readability, and a low learning
The then() method returns a Promise. It takes up to two arguments: callback functions for the success and failure cases of the Promise.
An async function is a function declared with the async keyword, and the await keyword is permitted within them. The async and await keywords enable asynchronous, promise-based behavior to be written in a cleaner style, avoiding the need to explicitly configure promise chains.
callback doesn't make a function asynchronous because It iterates over each item and calls the function once per item.