var pips = pipsSlider.querySelectorAll('.noUi-value');

function clickOnPip() {
    var value = Number(this.getAttribute('data-value'));
    pipsSlider.noUiSlider.set(value);
}

for (var i = 0; i < pips.length; i++) {

    // For this example. Do this in CSS!
    pips[i].style.cursor = 'pointer';
    pips[i].addEventListener('click', clickOnPip);
}