Benchmark: Cached querySelector

HTML Preparation code:

<div id="fir" class="hi">
  <div id='no' class="ss">
  	<div id='ff' class="fox">
      <button class="target"></button>
      <button class="target"></button>
      <button class="target"></button>
    </div>
  </div>
</div>

Script Preparation code:

var cache = {};

Tests:

uncached
var el = document.querySelectorAll('target');
cached
var el = cache['target']; if (!el) { el = document.querySelectorAll('target'); cache['target'] = el; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
uncached
cached

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 11 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser/OS: Chrome 124 on Windows

View result in a separate tab

Test name	Executions per second
uncached	2213290.0 Ops/sec
cached	17812440.0 Ops/sec

Cached querySelector (version: 0)

Testing if caching querySelector makes a diference

Comparing performance of: uncached vs cached

Created: 3 years ago by: Guest

Jump to the latest result

uncached

cached

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A