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

Go to the benchmark
Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Mobile/15E148 Safari/604.1
Mobile Safari 17
iOS 17.5.1
Mobile
one year ago
getElementsByID
11.1M/s
getElementsByClassName
10.1M/s
querySelectorAll
7.8M/s
querySelector
6.2M/s
querySelector (ID)
4.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 11,132,557 Ops/sec
getElementsByClassName 10,147,874 Ops/sec
querySelectorAll 7,806,232 Ops/sec
querySelector 6,175,494 Ops/sec
querySelector (ID) 4,228,117 Ops/sec
HTML Preparation code:
Tests: