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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Windows
Desktop
one year ago
getElementsByClassName
13.2M/s
getElementsByID
13.0M/s
querySelector (ID)
8.1M/s
querySelector
7.7M/s
querySelectorAll
3.7M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 13,247,953 Ops/sec
getElementsByID 13,032,611 Ops/sec
querySelector (ID) 8,071,355 Ops/sec
querySelector 7,692,296 Ops/sec
querySelectorAll 3,656,158 Ops/sec
HTML Preparation code:
Tests: