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:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Windows
Desktop
one year ago
getElementsByClassName
13.1M/s
getElementsByID
13.1M/s
querySelector
8.0M/s
querySelector (ID)
7.9M/s
querySelectorAll
3.4M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 13,103,898 Ops/sec
getElementsByID 13,053,822 Ops/sec
querySelector 7,971,733 Ops/sec
querySelector (ID) 7,898,732 Ops/sec
querySelectorAll 3,384,181 Ops/sec
HTML Preparation code:
Tests: