var rangeInputs = null;
var numberInputs = null;

function setSliderRange() {
    var range = document.querySelectorAll('input[type="range"]');
    range.forEach(range => {
        range.style.backgroundSize = (range.value - range.min) / (range.max - range.min) * 100 + '% 100%';
    });
}

function setSlider() {
    rangeInputs = document.querySelectorAll('input[type="range"]');
    numberInputs = document.querySelectorAll('input[type="number"]')
    setSliderRange();
    rangeInputs.forEach(rangeInput => {
        rangeInput.addEventListener('input', setSliderRange);
    });
    numberInputs.forEach(numberInput => {
        numberInput.addEventListener('input', setSliderRange);
    })
}

function updateSlider() {
    setSliderRange();
}