Switching parentElement to parentNode in existence verification

src/shared/dom.js

@@ -7,7 +7,7 @@ export function insertNode(node, target, anchor) {
 }
 
 export function detachNode(node) {
-	if (!node.parentElement) return;
+	if (!node.parentNode) return;
 	node.parentNode.removeChild(node);
 }