TimeConverter

function attachEventsListeners() {
    function click() {
        let labelElement = this.parentNode.querySelector('label');
        let inputElement = this.parentNode.querySelector('input[type="text"');

        let inputValue = inputElement.value;

        let allInputAreas = document.querySelectorAll('input[type="text"]');

        let days = allInputAreas[0];
        let hours = allInputAreas[1];
        let minutes = allInputAreas[2];
        let seconds = allInputAreas[3];


        if (labelElement.textContent === 'Days: ') {
            hours.value = inputValue * 24;
            minutes.value = inputValue * 1440;
            seconds.value = inputValue * 86400;
        } else if (labelElement.textContent === 'Hours: ') {
            days.value = parseFloat((inputValue / 24).toString());
            minutes.value = inputValue * 60;
            seconds.value = inputValue * 3600;
        } else if (labelElement.textContent === 'Minutes: ') {
            days.value = parseFloat((inputValue / 1440).toString());
            hours.value = parseFloat((inputValue / 60).toString());
            seconds.value = inputValue * 60;
        } else {
            days.value = parseFloat((inputValue / 86400).toString());
            hours.value = parseFloat((inputValue / 3600).toString());
            minutes.value = parseFloat((inputValue / 60).toString());
        }

    }

    [...document.querySelectorAll('input[type="button"]')].forEach(btn => {
        btn.addEventListener('click', click);
    })
}