const delay = async (timeout) => {
    return new Promise((resolve) => {
        setTimeout(resolve, timeout)
    })
}

const task1 = async () => {
    await delay(1000)
    return 'Task1 Done'
}

const task2 = async () => {
    await delay(3000)
    return 'Task2 Done'
}

const task3 = async () => {
    await delay(2000)
    return 'Task3 Done'
}

const runTasks = async () => {
    for await (const task of [task1(), task2(), task3()]) {
        console.log(task)
    }
    console.log('Done')
}

runTasks()