Handle contained by checks in documents other than the primary document

slab · Jul 18, 2024 · e4bb670 · e4bb670
1 parent 2c46366
commit e4bb670
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/blot/abstract/parent.ts b/src/blot/abstract/parent.ts
@@ -351,7 +351,7 @@ class ParentBlot extends ShadowBlot implements Parent {
         node.parentNode != null &&
         // @ts-expect-error Fix me later
         node.tagName !== 'IFRAME' &&
-        document.body.compareDocumentPosition(node) &
+        (node.ownerDocument ?? document).body.compareDocumentPosition(node) &
           Node.DOCUMENT_POSITION_CONTAINED_BY
       ) {
         return;