From 0bedab42730d1bf4a5a1d3b3e6425e06556656d9 Mon Sep 17 00:00:00 2001
From: Scott Haseley <shaseley@chromium.org>
Date: Fri, 6 Feb 2026 14:05:53 -0800
Subject: [PATCH] Intialize timeout to 0 and replace 'is present' check with
 comparison

---
 index.html | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/index.html b/index.html
index a756f0d..7d63b98 100644
--- a/index.html
+++ b/index.html
@@ -283,7 +283,7 @@ <h2>{{Window}} interface extensions</h2>
 };
 
 dictionary IdleRequestOptions {
-  unsigned long timeout;
+  unsigned long timeout = 0;
 };
 
 [Exposed=Window] interface IdleDeadline {
@@ -309,9 +309,9 @@ <h2>{{Window}} interface extensions</h2>
     <section data-dfn-for="Window">
       <h2>The <dfn>requestIdleCallback()</dfn> method</h2>
       <p>When {{Window/requestIdleCallback}}<code>(|callback|, |options|)</code> is
-      invoked with a given <dfn>IdleRequestCallback</dfn>
-      and optional <dfn>IdleRequestOptions</dfn>, the user agent
-      MUST run the following steps:</p>
+      invoked with a given <dfn>IdleRequestCallback</dfn> and
+      <dfn>IdleRequestOptions</dfn>, the user agent MUST run the following
+      steps:</p>
       <ol>
         <li>Let <var>window</var> be this {{Window}} object.</li>
         <li>Increment the <var>window</var>'s <a>idle callback identifier</a>
@@ -328,9 +328,9 @@ <h2>The <dfn>requestIdleCallback()</dfn> method</h2>
           cancel each other—e.g. if the idle callback is scheduled first, then
           it cancels the timeout callback, and vice versa.</p>
         </li>
-        <li>If the <code><dfn data-dfn-for="IdleRequestOptions">timeout</dfn>
-        </code> property is present in <var>options</var> and has a positive
-        value:
+        <li>Let <var>timeout</var> be <var>options</var>["<code><dfn
+        data-dfn-for="IdleRequestOptions">timeout</dfn></code>"].</li>
+        <li>If <var>timeout</var> is greater than 0:
           <ol>
             <li>Wait for <var>timeout</var> milliseconds.</li>
             <li>Wait until all invocations of this algorithm, whose