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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1 Safari/605.1.15

Browser: Safari 12

Operating system: Mac OS X 10.14.4

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
querySelector	2925629.0 Ops/sec
innerText	590034.8 Ops/sec
offsetWidth	1773578.0 Ops/sec
innerHTML	1909144.0 Ops/sec
outerText	619445.4 Ops/sec
textContent	2825416.0 Ops/sec
textContentTrim	2588076.0 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()