JAVASCRIPT

node js run for loop asynchronously

const Output = [];

for await (const item of List) {
  	let result = await someAsyncFunction(item);
    Output.push(result);
};

res.status(200).json(Output); // response is sent after the loop is finished

loop through async javascript -4

const j = 10;
for (let i = 0; i < j; i++) {
    asynchronousProcess(function() {
        console.log(i);
    });
}