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; rv:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Mac OS X 10.15
Desktop
one year ago
getElementsByID
7.5M/s
getElementsByClassName
7.5M/s
querySelector
4.5M/s
querySelector (ID)
4.4M/s
querySelectorAll
2.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 7,482,902 Ops/sec
getElementsByClassName 7,465,650 Ops/sec
querySelector 4,505,882 Ops/sec
querySelector (ID) 4,403,669 Ops/sec
querySelectorAll 2,329,651 Ops/sec
HTML Preparation code:
Tests: