Benchmark: querySelector (NODE TO NODE) vs querySelectorAll

HTML Preparation code:

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<div class="test"></div>
<div class="test"></div>
<div class="test"></div>
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Tests:

querySelector from one node to next
let node = document.querySelector('.test', element => { element.classList.add("read"); }); while(node) { node = node.querySelector('.test', element => { element.classList.add("read"); }); }
querySelectorAll
document.querySelectorAll(".test", elements => { elements.forEach(element => { element.classList.add("read") }) })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
querySelector from one node to next
querySelectorAll

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Firefox/102.0

Browser/OS: Firefox 102 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
querySelector from one node to next	4160187.0 Ops/sec
querySelectorAll	2699831.0 Ops/sec

querySelector (NODE TO NODE) vs querySelectorAll (version: 0)

Comparing performance of: querySelector from one node to next vs querySelectorAll

Created: 2 years ago by: Guest

Jump to the latest result

querySelector from one node to next

querySelectorAll

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A