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:131.0) Gecko/20100101 Firefox/131.0
Firefox 131
Windows
Desktop
one year ago
getElementsByClassName
11.9M/s
getElementsByID
11.9M/s
querySelector
5.5M/s
querySelector (ID)
5.5M/s
querySelectorAll
2.8M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 11,869,268 Ops/sec
getElementsByID 11,869,221 Ops/sec
querySelector 5,540,243 Ops/sec
querySelector (ID) 5,483,740 Ops/sec
querySelectorAll 2,817,134 Ops/sec
HTML Preparation code:
Tests: