Fixes #2531 - make sure "focus" is callable before calling it

knockout · Oct 18, 2020 · cb92525 · cb92525
1 parent c41c1c3
commit cb92525
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/binding/editDetection/arrayToDomNodeChildren.js b/src/binding/editDetection/arrayToDomNodeChildren.js
@@ -210,7 +210,7 @@
         }
 
         // Restore the focused element if it had lost focus
-        if (activeElement && domNode.ownerDocument.activeElement != activeElement) {
+        if (activeElement && domNode.ownerDocument.activeElement != activeElement && typeof activeElement.focus === "function") {
             activeElement.focus();
         }