Run results for: querySelector(nth) vs querySelectorAll

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Safari/605.1.15

Browser: Safari 14

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
document.querySelector(nth)	3065242.0 Ops/sec
document.querySelectorAll	3565689.0 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]

Run results for: querySelector(nth) vs querySelectorAll

document.querySelector(nth)

document.querySelectorAll