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:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Linux
Desktop
one year ago
getElementsByID
19.3M/s
getElementsByClassName
18.8M/s
querySelector
11.2M/s
querySelector (ID)
11.1M/s
querySelectorAll
4.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 19,264,898 Ops/sec
getElementsByClassName 18,835,212 Ops/sec
querySelector 11,194,030 Ops/sec
querySelector (ID) 11,079,725 Ops/sec
querySelectorAll 4,929,191 Ops/sec
HTML Preparation code:
Tests: