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

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Linux
Desktop
one year ago
getElementsByClassName
10.0M/s
getElementsByID
10.0M/s
querySelector
6.0M/s
querySelector (ID)
5.8M/s
querySelectorAll
2.8M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 10,015,800 Ops/sec
getElementsByID 10,006,291 Ops/sec
querySelector 6,021,020 Ops/sec
querySelector (ID) 5,808,586 Ops/sec
querySelectorAll 2,751,132 Ops/sec
HTML Preparation code:
Tests: