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

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.3.1 Safari/605.1.15
Safari 17
Mac OS X 10.15.7
Desktop
2 years ago
getElementsByClassName
4.4M/s
getElementsByID
4.4M/s
querySelector
2.6M/s
querySelector (ID)
2.4M/s
querySelectorAll
1.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 4,414,444 Ops/sec
getElementsByID 4,358,626 Ops/sec
querySelector 2,610,140 Ops/sec
querySelector (ID) 2,442,093 Ops/sec
querySelectorAll 1,893,762 Ops/sec
HTML Preparation code:
Tests: