Fix a side-effect of ZK-5455 for org.zkoss.zktest.zats.bind.basic.All…

…functionTest test case.
zkoss · Sep 26, 2024 · a680853 · a680853
1 parent 9319e4d
commit a680853
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/zul/src/main/resources/web/js/zul/wgt/Popup.ts b/zul/src/main/resources/web/js/zul/wgt/Popup.ts
@@ -140,7 +140,7 @@ export class Popup extends zul.Widget {
 	 */
 	open(ref?: Ref, offset?: zk.Offset, position?: string, opts?: PopupOptions): void {
 		this._fakeParent = zk.$(ref);
-		this._fakeParent!.listen({'onUnbindNow': this.proxy(this._fakeParentOnUnbind)});
+		this._fakeParent?.listen({'onUnbindNow': this.proxy(this._fakeParentOnUnbind)});
 		var posInfo = this._posInfo(ref, offset, position),
 			node = this.$n(),
 			$n = jq(node);