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

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0
Firefox 133
Windows
Desktop
one year ago
getElementsByClassName
7.1M/s
getElementsByID
6.5M/s
querySelector
4.2M/s
querySelector (ID)
3.8M/s
querySelectorAll
1.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 7,144,451 Ops/sec
getElementsByID 6,539,485 Ops/sec
querySelector 4,204,422 Ops/sec
querySelector (ID) 3,792,773 Ops/sec
querySelectorAll 1,917,520 Ops/sec
HTML Preparation code:
Tests: