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:134.0) Gecko/20100101 Firefox/134.0
Firefox 134
Mac OS X 10.15
Desktop
one year ago
getElementsByID
18.0M/s
getElementsByClassName
17.7M/s
querySelector
11.7M/s
querySelector (ID)
10.2M/s
querySelectorAll
5.4M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 18,013,202 Ops/sec
getElementsByClassName 17,683,210 Ops/sec
querySelector 11,674,786 Ops/sec
querySelector (ID) 10,242,714 Ops/sec
querySelectorAll 5,362,883 Ops/sec
HTML Preparation code:
Tests: