recursionLoopAlternatives.js

//delay fn
const delay = (time) => new Promise((resolve) => setTimeout(resolve, parseInt(time * 1000)));
//random fn
const random = () => Math.random() * 1.5;

const iterationArray = new Array(10);
const runFn = async (rounds) => {
	let i = -1
	for await (round of rounds) {
		const time = random()
		await delay(time);
		rounds[++i] = parseFloat(time)
		console.log(`${i} rounds completed.`)
	}
  return rounds;
}

runFn(iterationArray).then((respFromRun) => {
	const reduced = respFromRun.reduce((p, c) => p + c, 0);
	console.log({ respFromRun, reduced });
});