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:138.0) Gecko/20100101 Firefox/138.0
Firefox 138
Linux
Desktop
one year ago
getElementsByClassName
2.6M/s
getElementsByID
2.6M/s
querySelector
1.6M/s
querySelector (ID)
1.2M/s
querySelectorAll
835K/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 2,575,022 Ops/sec
getElementsByID 2,560,665 Ops/sec
querySelector 1,615,661 Ops/sec
querySelector (ID) 1,216,428 Ops/sec
querySelectorAll 834,926 Ops/sec
HTML Preparation code:
Tests: