From 13ab4f08616f448c2489ab92b4f1dea1496df5c7 Mon Sep 17 00:00:00 2001
From: Mustaq Ahmed <mustaq@chromium.org>
Date: Wed, 3 Jun 2026 11:21:16 -0400
Subject: [PATCH 1/3] Add mementum field in WheelEventInit

This is related to #587
---
 index.html | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/index.html b/index.html
index 6351c5c..be32284 100644
--- a/index.html
+++ b/index.html
@@ -3469,9 +3469,15 @@ <h5 id="idl-wheeleventinit">WheelEventInit</h5>
 				double deltaY = 0.0;
 				double deltaZ = 0.0;
 				unsigned long deltaMode = 0;
+				boolean momentum = false;
 			};
 			</pre>
 
+			<p class="ednote">
+				TODO: The definitions below seem redundant when we already have the corresponding
+				attributes defined above. We need to clean this up like {{PointerEventInit}}.
+			</p>
+		
 			<dl data-dfn-for="WheelEventInit">
 				<dt><dfn>deltaX</dfn></dt>
 				<dd>See <code>deltaZ</code> attribute.</dd>
@@ -3501,6 +3507,11 @@ <h5 id="idl-wheeleventinit">WheelEventInit</h5>
 					({{WheelEvent/DOM_DELTA_PAGE}}) if the <a>rotation</a> of the
 					wheel would have resulted in scrolling.
 				</dd>
+
+				<dt><dfn>momentum</dfn></dt>
+				<dd>
+					Initializes the {{WheelEvent/momentum}} attribute.
+				</dd>
 			</dl>
 
 	<h4 id="events-wheel-types">Wheel Event Types</h4>

From a0369d9662ab930bae3de840d4c5ae633a6482c2 Mon Sep 17 00:00:00 2001
From: Mustaq Ahmed <mustaq@chromium.org>
Date: Fri, 5 Jun 2026 16:23:23 -0400
Subject: [PATCH 2/3] Update TODO comment with issue link

---
 index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.html b/index.html
index be32284..425feea 100644
--- a/index.html
+++ b/index.html
@@ -3475,7 +3475,7 @@ <h5 id="idl-wheeleventinit">WheelEventInit</h5>
 
 			<p class="ednote">
 				TODO: The definitions below seem redundant when we already have the corresponding
-				attributes defined above. We need to clean this up like {{PointerEventInit}}.
+				attributes defined above. See https://github.com/w3c/pointerevents/issues/646.
 			</p>
 		
 			<dl data-dfn-for="WheelEventInit">

From f4066947a1e1367bc9f641c10f0df27aee84317d Mon Sep 17 00:00:00 2001
From: Mustaq Ahmed <mustaq@chromium.org>
Date: Fri, 5 Jun 2026 16:29:01 -0400
Subject: [PATCH 3/3] Replace TODO with issue reference in index.html

Updated TODO note to an issue reference with a link.
---
 index.html | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/index.html b/index.html
index 425feea..8bea1e1 100644
--- a/index.html
+++ b/index.html
@@ -3473,9 +3473,10 @@ <h5 id="idl-wheeleventinit">WheelEventInit</h5>
 			};
 			</pre>
 
-			<p class="ednote">
-				TODO: The definitions below seem redundant when we already have the corresponding
-				attributes defined above. See https://github.com/w3c/pointerevents/issues/646.
+			<p class="issue">
+				The definitions below seem redundant when we already have the corresponding
+				attributes defined above. See
+				<a href="https://github.com/w3c/pointerevents/issues/646">pointerevents/646</a>.
 			</p>
 		
 			<dl data-dfn-for="WheelEventInit">