Fix clearInterval() in setInterval() callback

domenic · mfreed7 · commit 4d1a90bb45bb · 2022-06-03T16:26:23.000-07:00
Tests: web-platform-tests/wpt#31698. Closes whatwg#7356.
diff --git a/source b/source
@@ -96604,6 +96604,15 @@ enum <dfn enum>DOMParserSupportedType</dfn> {
       </ol>
      </li>
 
+     <li>
+      <p>If <var>id</var> does not <span data-x="map exists">exist</span> in <var>global</var>'s
+      <span>map of active timers</span>, then abort these steps.</p>
+
+      <p class="note">It might have been removed via the author code in <var>handler</var> calling
+      <code data-x="dom-clearTimeout">clearTimeout()</code> or <code
+      data-x="dom-clearInterval">clearInterval()</code>.</p>
+     </li>
+
      <li><p>If <var>repeat</var> is true, then perform the <span>timer initialization
      steps</span> again, given <var>global</var>, <var>handler</var>, <var>timeout</var>,
      <var>arguments</var>, true, and <var>id</var>.</p></li>
