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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Chrome 129
Windows
Desktop
one year ago
getElementsByClassName
9.0M/s
getElementsByID
8.5M/s
querySelector
7.2M/s
querySelector (ID)
4.9M/s
querySelectorAll
3.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 9,006,291 Ops/sec
getElementsByID 8,542,121 Ops/sec
querySelector 7,180,147 Ops/sec
querySelector (ID) 4,869,078 Ops/sec
querySelectorAll 3,213,751 Ops/sec
HTML Preparation code:
Tests: