Method isAncestorOf

src/main/java/org/htmlunit/html/DomNode.java:339–348

Returns true if this node is an ancestor of the specified node. @param node the node to check @return true if this node is an ancestor of the specified node

(final DomNode node)

     * @return {@code true} if this node is an ancestor of the specified node
     */
    public boolean isAncestorOf(final DomNode node) {
        DomNode parent = node;
        while (parent != null) {
            if (parent == this) {
                return true;
            }
            parent = parent.getParentNode();
        }
        return false;
    }

    /**
     * Returns {@code true} if this node is an ancestor of the specified nodes.