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/120.0.0.0 Mobile Safari/537.36
Chrome Mobile 120
Android
Mobile
2 years ago
getElementsByClassName
1.0M/s
querySelector
911K/s
getElementsByID
768K/s
querySelector (ID)
707K/s
querySelectorAll
511K/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 1,014,532 Ops/sec
querySelector 911,014 Ops/sec
getElementsByID 767,695 Ops/sec
querySelector (ID) 707,027 Ops/sec
querySelectorAll 511,432 Ops/sec
HTML Preparation code:
Tests: