function updateSelect(e) { const { target } = e; const value = target.value; const cadenceRow = inputCadence.closest(".form__row"); const elevationRow = inputElevation.closest(".form__row"); // Remove the hidden class from both rows first cadenceRow.classList.remove("form__row--hidden"); elevationRow.classList.remove("form__row--hidden"); const selected = { cycling: elevationRow, running: cadenceRow, }; selected[value].classList.add("form__row--hidden"); }