<pre class="shiki github-dark shaku"><code>const originalSetTimeout = window.setTimeout;const originalClearTimeout = window.clearTimeout;const activeTimerIds = new Set();window.setTimeout = function(fn, delay, ...args) { const timerId = originalSetTimeout(() =&gt; { activeTimerIds.delete(timerId); // 定时器自然触发后，移除记录 fn.apply(this, args); }, delay); activeTimerIds.add(timerId); return timerId;};window.clearTimeout = function(timerId) { activeTimerIds.delete(timerId); // 手动清除时，同步移除记录 originalClearTimeout(timerId);};/** * cancel all timer from window.setTimeout */function clearAllTimeout() { for (const timerId of activeTimerIds) { originalClearTimeout(timerId); } activeTimerIds.clear(); // 批量清除后，清空 Set}</code></pre>