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

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Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0
Firefox 133
Ubuntu
Desktop
one year ago
getElementsByClassName
12.9M/s
getElementsByID
11.5M/s
querySelector
7.1M/s
querySelector (ID)
6.1M/s
querySelectorAll
2.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 12,949,404 Ops/sec
getElementsByID 11,480,700 Ops/sec
querySelector 7,089,648 Ops/sec
querySelector (ID) 6,059,955 Ops/sec
querySelectorAll 2,899,870 Ops/sec
HTML Preparation code:
Tests: