From f00fdb2424388f8250aafb9de3d6b77fbd76057d Mon Sep 17 00:00:00 2001
From: lxsang <xsang.le@gmail.com>
Date: Thu, 25 Jun 2020 22:10:48 +0200
Subject: [PATCH] enhance core tag API

---
 src/core/tags/tag.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/core/tags/tag.ts b/src/core/tags/tag.ts
index 9ba7bbd..adc6b21 100644
--- a/src/core/tags/tag.ts
+++ b/src/core/tags/tag.ts
@@ -598,7 +598,8 @@ namespace OS {
             $(this)
                 .children()
                 .each(function () {
-                    return this.update(d);
+                    if(this.update)
+                        return this.update(d);
                 });
         };
         HTMLElement.prototype.sync = function (): void {