Run results for: While loop vs Closest vs QuerySelector

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36

Browser: Chrome 147

Operating system: Windows

Device Platform: Desktop

Date tested: 4 months ago

Benchmark engine: Benchmark.js

querySelector

5.6M/s

closest

33K/s

while

31K/s

View exact numbers

Test name	Executions per second
✓ querySelector	5,584,696 Ops/sec
closest	33,499 Ops/sec
while	31,002 Ops/sec

HTML Preparation code:

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<style type="text/css">
.hidden {
display: none;
}
</style>
<div class="visible">
<div class="hidden">
<div class="hidden">
<div class="hidden hidden-last"></div>
</div>
</div>
</div>
      

      <script>

        Benchmark.prototype.setup = function() {

          
  var $element = $('.hidden-last');

        
  };


      
</script>

Tests:

while
while ($element.is(":hidden")) { $element = $element.parent(); }
closest
$element = $element.closest(':visible')
querySelector
$select = document.querySelector(".visible");