<pre class="shiki github-dark shaku"><code>(() =&gt; { const originSetTimeout = setTimeout; const originClearTimeout = clearTimeout; const timers = new Set(); window.clearAllTimeout = () =&gt; { for (const timerId of timers) { clearTimeout(timerId); } } window.setTimeout = (callback, time, ...args) =&gt; { const callbackWrapper = () =&gt; { callback(...args); timers.delete(timerId); } const timerId = originSetTimeout(callbackWrapper, time); timers.add(timerId); return timerId; } window.clearTimeout = (id) =&gt; { originClearTimeout(id); timers.delete(id); }})();</code></pre>