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

Go to the benchmark
Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36
Chrome Mobile 131
Android
Mobile
one year ago
getElementsByClassName
20.6M/s
getElementsByID
16.4M/s
querySelector
14.4M/s
querySelector (ID)
7.6M/s
querySelectorAll
4.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 20,577,940 Ops/sec
getElementsByID 16,415,814 Ops/sec
querySelector 14,414,571 Ops/sec
querySelector (ID) 7,639,286 Ops/sec
querySelectorAll 4,868,655 Ops/sec
HTML Preparation code:
Tests: