Benchmark: Found direct children by tag

HTML Preparation code:

<div id='1'>   
	<fieldset>
      <legend>
        <strong>Custom View HTML</strong>
      </legend>
      <label>
        Option 1
        <input type="radio" />
        <span icon="" />
      </label>
      <label>
        Option 2
        <input type="radio" />
        <span icon="" />
      </label>
    </fieldset>
 </div>

Script Preparation code:

const el = document.getElementById("1");

function querySelectorIn() {
    return el.querySelector('fieldset>legend');
}

function querySelectorIn2() {
    return el.querySelector('fieldset').querySelector('legend');
}

Tests:

querySelector
querySelector();
querySelectorIn2
querySelectorIn2()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
querySelector
querySelectorIn2

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 5 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser/OS: Chrome 142 on Windows

View result in a separate tab

Test name	Executions per second
querySelector	0.0 Ops/sec
querySelectorIn2	23578116.0 Ops/sec

Related benchmarks:

Found direct children by tag (version: 2)

Comparing performance of: querySelector vs querySelectorIn2

Created: 5 months ago by: Registered User

Jump to the latest result

querySelector

querySelectorIn2

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A