This is an async code that need to be written to get the desired result.

problem_async_js_code.js

function i_am_last_but_i_take_1_sec() {
    return setTimeout(() => {
        console.log('i was no: 5 and i take 1 second')
    }, 1000);
}

function i_am_fourth_but_i_take_4_sec() {
    return setTimeout(() => {
        console.log('i was no: 4 and i take 4 seconds')
    }, 4000);
}

function i_am_third_but_i_take_6_sec() {
    return setTimeout(() => {
        console.log('i was no: 3 and i take 6 seconds')
    }, 6000);
}

function i_am_second_but_i_take_8_sec() {
    return setTimeout(() => {
        console.log('i was no: 2 and i take 8 seconds')
    }, 8000);
}

function i_am_first_but_i_take_10_sec() {
    return setTimeout(() => {
        console.log('i was no: 1 and i take 10 seconds')
    }, 10000);
}

function run (){
    i_am_first_but_i_take_10_sec()
    i_am_second_but_i_take_8_sec()
    i_am_third_but_i_take_6_sec()
    i_am_fourth_but_i_take_4_sec()
    i_am_last_but_i_take_1_sec()
    console.log("Done")
}

run()