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

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0
Firefox 134
Ubuntu
Desktop
one year ago
getElementsByID
8.2M/s
getElementsByClassName
7.8M/s
querySelector
3.9M/s
querySelector (ID)
3.8M/s
querySelectorAll
1.6M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 8,228,743 Ops/sec
getElementsByClassName 7,843,288 Ops/sec
querySelector 3,929,413 Ops/sec
querySelector (ID) 3,820,521 Ops/sec
querySelectorAll 1,619,037 Ops/sec
HTML Preparation code:
Tests: