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

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Chrome 141
Linux
Desktop
10 months ago
getElementsByClassName
19.9M/s
getElementsByID
13.7M/s
querySelector
12.0M/s
querySelector (ID)
5.9M/s
querySelectorAll
4.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 19,881,706 Ops/sec
getElementsByID 13,675,493 Ops/sec
querySelector 12,008,062 Ops/sec
querySelector (ID) 5,886,134 Ops/sec
querySelectorAll 4,278,043 Ops/sec
HTML Preparation code:
Tests: