Run results for: querySelector(nth) vs querySelectorAll

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

document.querySelectorAll

4.9M/s

document.querySelector(nth)

2.7M/s

View exact numbers

Test name	Executions per second
✓ document.querySelectorAll	4,902,956 Ops/sec
document.querySelector(nth)	2,739,884 Ops/sec

HTML Preparation code:

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

Tests:

document.querySelector(nth)
document.querySelector("[class*=test]:nth-child(9)")
document.querySelectorAll
document.querySelectorAll('.test')[9]