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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0
Firefox 123
Windows
Desktop
2 years ago
getElementsByClassName
10.2M/s
getElementsByID
10.1M/s
querySelector
5.7M/s
querySelector (ID)
5.4M/s
querySelectorAll
2.6M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 10,240,296 Ops/sec
getElementsByID 10,142,327 Ops/sec
querySelector 5,707,459 Ops/sec
querySelector (ID) 5,395,028 Ops/sec
querySelectorAll 2,576,813 Ops/sec
HTML Preparation code:
Tests: