Function hasVerticalOverflow

docs/app/js/sanddance-app.js:25751–25753

(element)

    return element.clientWidth < element.scrollWidth;
}
function hasVerticalOverflow(element) {
    return element.clientHeight < element.scrollHeight;
}
function hasOverflow(element) {
    return hasHorizontalOverflow(element) || hasVerticalOverflow(element);
}