From f38128908925253b3ffc7505570b4302962a23f7 Mon Sep 17 00:00:00 2001
From: Boris Chiou <boris.chiou@gmail.com>
Date: Wed, 3 Jun 2026 09:26:03 -0700
Subject: [PATCH] [scroll-animations-1] Update the attributes of ViewTimeline
 startOffset and endOffset to be nullable (#13844)

Update `ViewTimeline.startOffset` and `ViewTimeline.endOffset` to
match the spec resolution.

Fixed #13844.
---
 scroll-animations-1/Overview.bs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scroll-animations-1/Overview.bs b/scroll-animations-1/Overview.bs
index 5179d81c9eb8..1b81ea9fa5b7 100644
--- a/scroll-animations-1/Overview.bs
+++ b/scroll-animations-1/Overview.bs
@@ -824,8 +824,8 @@ spec:selectors-4; type:dfn; text:selector
 		interface ViewTimeline : ScrollTimeline {
 		  constructor(optional ViewTimelineOptions options = {});
 		  readonly attribute Element subject;
-		  readonly attribute CSSNumericValue startOffset;
-		  readonly attribute CSSNumericValue endOffset;
+		  readonly attribute CSSNumericValue? startOffset;
+		  readonly attribute CSSNumericValue? endOffset;
 		};
 	</pre>