Method reparent_children

css-inline/src/html/document.rs:284–290

Remove all the children from node and append them to `new_parent`.

(&mut self, node: NodeId, new_parent: NodeId)

    /// Remove all the children from node and append them to `new_parent`.
    pub(super) fn reparent_children(&mut self, node: NodeId, new_parent: NodeId) {
        // Re-read `first_child` each iteration: `append` calls `detach` internally, which clears
        // `child.next_sibling` and updates `node.first_child` to the former second child.
        while let Some(child) = self[node].first_child {
            self.append(new_parent, child);
        }
    }

    /// Append a new child node to a parent node.
    ///