From de67f69252b17d2b7bb35330875bd1ba9a8bd351 Mon Sep 17 00:00:00 2001
From: Shuchang Zheng <wintonzheng0325@gmail.com>
Date: Tue, 22 Apr 2025 18:48:01 +0800
Subject: [PATCH] handle null tagname (#2212)

---
 skyvern/webeye/scraper/domUtils.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/skyvern/webeye/scraper/domUtils.js b/skyvern/webeye/scraper/domUtils.js
index bd168dd8..8fce6652 100644
--- a/skyvern/webeye/scraper/domUtils.js
+++ b/skyvern/webeye/scraper/domUtils.js
@@ -1403,7 +1403,11 @@ async function buildElementTree(
       return;
     }
 
-    const tagName = element.tagName.toLowerCase();
+    const tagName = element.tagName?.toLowerCase();
+    if (!tagName) {
+      console.log("get a null tagName");
+      return;
+    }
 
     // skip proccessing option element as they are already added to the select.options
     if (tagName === "option") {