Run results for: aoA6ApW486QVzbnDH8DbTzRJQgUzwPmq

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.59 Safari/537.36 OPR/41.0.2353.46

Browser: Opera 41

Operating system: Windows

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
A	3249.6 Ops/sec
B	3024.0 Ops/sec
C	8553.6 Ops/sec

HTML Preparation code:

<div class="row" style="display:none">
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
  <div class="x-frame">
    <div class="x-hit">
      <div class="x-overlay"></div>
    </div>
    <div class="x-block">
      <div class="x-overlay"></div>
    </div>
  </div>
</div>

Tests:

A
$('.x-frame').each(function() { $(this).children('.x-hit').children('.x-overlay').text('H') $(this).children('.x-block').children('.x-overlay').text('B') });
B
$('.x-frame').each(function() { $(this).find('.x-hit > .x-overlay').text('H') $(this).find('.x-block > .x-overlay').text('B') });
C
$('.x-frame > .x-hit > .x-overlay').text('H') $('.x-frame > .x-block > .x-overlay').text('B')