Benchmark: querySelector vs innerText vs offsetWidth vs outerText vs textContentTrim - MeasureThat.net

HTML Preparation code:

<div id="testdiv">
  <div id="unique" class="unique" name="unique" data-unique="1">test</div>
</div>

Tests:

querySelector
document.querySelector('.unique')
innerText
document.querySelector('.unique').innerText
offsetWidth
document.querySelector('.unique').offsetWidth
innerHTML
document.querySelector('.unique').innerHTML
outerText
document.querySelector('.unique').outerText
textContent
document.querySelector('.unique').textContent
textContentTrim
document.querySelector('.unique').textContent.trim()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
querySelector
innerText
offsetWidth
innerHTML
outerText
textContent
textContentTrim

Fastest: N/A

Slowest: N/A

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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/119.0.0.0 Safari/537.36 Edg/119.0.0.0

Browser/OS: Chrome 119 on Windows

View result in a separate tab

Test name	Executions per second
querySelector	4080048.0 Ops/sec
innerText	599480.6 Ops/sec
offsetWidth	690587.7 Ops/sec
innerHTML	2671599.0 Ops/sec
outerText	649267.3 Ops/sec
textContent	2660686.0 Ops/sec
textContentTrim	2596744.0 Ops/sec