findNearestParent.js

function findNearestParent(element, parentTag, limit) {
    var parent = element.parentElement;

    if (limit < 0) {
        return { foundIt: false };
    }

    if (element.tagName.toLowerCase() === parentTag) {
        return { element: element, foundIt: true };
    }

    return findNearestParent(parent, parentTag, limit - 1);
}