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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36

Browser: Chrome 80

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
querySelector	2939830.0 Ops/sec
innerText	985877.8 Ops/sec
offsetWidth	896675.1 Ops/sec
innerHTML	1516673.0 Ops/sec
outerText	1019396.0 Ops/sec
textContent	2350811.0 Ops/sec
textContentTrim	2277154.0 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()