The node type for this renderer
ReadonlyclearClear the content of this slot. Removes the current content, leaving only the marker.
ReadonlymarkerThe marker node that represents this slot in the tree. This is typically a Comment node in DOM, or a VComment in SSR.
ReadonlysetSet the content of this slot. Replaces any existing content with the new node.
A slot is a swappable content placeholder. Used by Boundary.suspense to swap fallback content with actual content without needing a container element.