Run results for: querySelectorAll vs getElementsByTagName vs getElementsByClassName with 968 nodes

Run details:
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15
Browser: Safari 13
Operating system: Mac OS X 10.15.5
Device Platform: Desktop
Date tested: 4 years ago
Test name	Executions per second
Get td elements by data attribute	73199.9 Ops/sec
Get inner paragraph elements by tag name	4932292.0 Ops/sec
Get inner paragraph elements by tag name with querySelectorAll	98145.2 Ops/sec
Get td elements by class attribute	5001796.5 Ops/sec
Get td elements by class with querySelectorAll	98382.0 Ops/sec
HTML Preparation code:
<table>
<thead>
  <tr>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
  </tr>
</thead>
<tbody>
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    <td data-stuff="blah" class="blah"><p>Hi!</p></td>
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    <td data-stuff="blah" class="blah"><p>Hi!</p></td>
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</tbody>
</table>
<table>
<thead>
  <tr>
    <th>Stuff</th>
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    <th>Ok</th>
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    <th>Thing</th>
    <th>Ok</th>
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    <th>Thing</th>
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</thead>
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    <td data-stuff="blah" class="blah"><p>Hi!</p></td>
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    <td data-stuff="blah" class="blah"><p>Hi!</p></td>
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</tbody>
</table>
<table>
<thead>
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    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
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  </tr>
</thead>
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    <td data-stuff="blah" class="blah"><p>Hi!</p></td>
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    <td data-stuff="blah" class="blah"><p>Hi!</p></td>
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</table>
<table>
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  </tr>
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  </tr>
</tbody>
</table>
<table>
<thead>
  <tr>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
    <th>Stuff</th>
    <th>Thing</th>
    <th>Ok</th>
  </tr>
</thead>
<tbody>
  <tr>
    <td></td>
    <td></td>
    <td></td>
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  </tr>
  <tr>
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  </tr>
  <tr>
    <td></td>
    <td></td>
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    <td></td>
    <td></td>
    <td></td>
    <td data-stuff="blah" class="blah"><p>Hi!</p></td>
    <td></td>
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  </tr>
  <tr>
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  </tr>
  <tr>
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  </tr>
  <tr>
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  </tr>
  <tr>
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    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td data-stuff="blah" class="blah"><p>Hi!</p></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
  </tr>
  <tr>
    <td></td>
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  </tr>
  <tr>
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    <td></td>
    <td></td>
    <td></td>
  </tr>
  <tr>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
    <td></td>
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  </tr>
  <tr>
    <td></td>
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  </tr>
  <tr>
    <td></td>
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  </tr>
  <tr>
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  </tr>
  <tr>
    <td></td>
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    <td></td>
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    <td></td>
  </tr>
</tbody>
</table>
Tests:
Get td elements by data attribute
const byDataAttribute = document.querySelectorAll('[data-stuff="blah"]')
Get inner paragraph elements by tag name
const byTagName = document.getElementsByTagName('p')
Get inner paragraph elements by tag name with querySelectorAll
const byTagNameWithQSAll = document.querySelectorAll('p')
Get td elements by class attribute
const byClassName = document.getElementsByClassName('blah')
Get td elements by class with querySelectorAll
const byClassWithQSAll = document.querySelectorAll('.blah')
Run results for: querySelectorAll vs getElementsByTagName vs getElementsByClassName with 968 nodes

Get td elements by data attribute

Get inner paragraph elements by tag name

Get inner paragraph elements by tag name with querySelectorAll

Get td elements by class attribute

Get td elements by class with querySelectorAll
