unthrottleTimeout.js

class WorkerTimeout {
  worker = null;
  constructor(callback, timeout) {
    const $this = this;
    const blob = new Blob([`setTimeout(() => postMessage(0), ${timeout});`]);
    const workerScript = URL.createObjectURL(blob);
    $this.worker = new Worker(workerScript);
    $this.worker.onmessage = () => {
		callback();
		$this.worker.terminate();   
	};
  }
}

const timeout = new WorkerTimeout(callback, 100);