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

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Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Mobile Safari/537.36
Chrome Mobile 132
Android
Mobile
one year ago
getElementsByClassName
20.5M/s
getElementsByID
13.8M/s
querySelector
12.9M/s
querySelector (ID)
6.4M/s
querySelectorAll
4.6M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 20,457,438 Ops/sec
getElementsByID 13,831,462 Ops/sec
querySelector 12,891,455 Ops/sec
querySelector (ID) 6,401,742 Ops/sec
querySelectorAll 4,579,606 Ops/sec
HTML Preparation code:
Tests: