Run results for: querySelector vs innerText vs offsetWidth vs outerText vs textContentTrim - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4936.0 Safari/537.36

Browser: Chrome 101

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
querySelector	3012644.0 Ops/sec
innerText	522223.7 Ops/sec
offsetWidth	348619.3 Ops/sec
innerHTML	1859771.0 Ops/sec
outerText	401835.7 Ops/sec
textContent	1905366.0 Ops/sec
textContentTrim	1847443.0 Ops/sec

Website performance monitoring

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()