patrickhulce/really-tricky-ttci.html

## really-tricky-ttci.html
<html>
<meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1">
<body>
  Just try and figure out my TTCI (hint: it should be NEVER)<br>
  This is a test to ensure we properly handle PerformanceObserver lifecycle, see
  <a href="https://crbug.com/742530">https://crbug.com/742530</a>
  <script>
    /**
     * Stalls the main thread for timeInMs
     */
    function stall(timeInMs) {
      const start = performance.now();
      while (performance.now() - start < timeInMs) {
        for (let i = 0; i < 1000000; i++) ;
      }
    }

    function keepStalling() {
      stall(50);
      setTimeout(keepStalling, 4000 + Math.random() * 700);
    }

    keepStalling();
  </script>
</body>
</html>
	<html>
	<meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1">
	<body>
	Just try and figure out my TTCI (hint: it should be NEVER)<br>
	This is a test to ensure we properly handle PerformanceObserver lifecycle, see
	<a href="https://crbug.com/742530">https://crbug.com/742530</a>
	<script>
	/**
	* Stalls the main thread for timeInMs
	*/
	function stall(timeInMs) {
	const start = performance.now();
	while (performance.now() - start < timeInMs) {
	for (let i = 0; i < 1000000; i++) ;
	}
	}

	function keepStalling() {
	stall(50);
	setTimeout(keepStalling, 4000 + Math.random() * 700);
	}

	keepStalling();
	</script>
	</body>
	</html>