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; rv:136.0) Gecko/20100101 Firefox/136.0
Firefox 136
Linux
Desktop
one year ago
getElementsByClassName
13.0M/s
getElementsByID
12.7M/s
querySelector (ID)
6.3M/s
querySelector
4.1M/s
querySelectorAll
2.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 13,006,990 Ops/sec
getElementsByID 12,735,119 Ops/sec
querySelector (ID) 6,346,818 Ops/sec
querySelector 4,077,304 Ops/sec
querySelectorAll 2,176,373 Ops/sec
HTML Preparation code:
Tests: