Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Mac OS X 10.15.7
Desktop
one year ago
getElementsByClassName
11.5M/s
getElementsByID
8.9M/s
querySelector
7.3M/s
querySelector (ID)
4.0M/s
querySelectorAll
2.4M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 11,452,484 Ops/sec
getElementsByID 8,909,712 Ops/sec
querySelector 7,315,130 Ops/sec
querySelector (ID) 3,971,272 Ops/sec
querySelectorAll 2,412,071 Ops/sec
HTML Preparation code:
Tests: