Listing latest benchmark results

Historical Performance Data aggregated from 6 community runs

Desktop Results:
Chrome 6 runs
className
22K/s
setAttribute
18K/s
classList
9K/s
dataset
6K/s

Fastest: className (3.5x faster)

View exact numbers
  • ✓ className: 22,376 ops/sec
  • • setAttribute: 18,321 ops/sec
  • • classList: 8,632 ops/sec
  • • dataset: 6,441 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Browser OS Engine User Agent When Created
Chrome 109 Windows 7 Benchmark.js Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36 Edg/109.0.1518.140 2 months ago
Chrome 150 Mac OS X 10.15.7 Benchmark.js Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 2 months ago
Chrome 149 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36 3 months ago
Firefox 115 Windows 7 Benchmark.js Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0 3 months ago
Firefox 115 Windows 7 Benchmark.js Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0 5 months ago
Chrome Mobile iOS 144 iOS 26.2.0 Benchmark.js Mozilla/5.0 (iPhone; CPU iPhone OS 26_2_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/144.0.7559.95 Mobile/15E148 Safari/604.1 7 months ago
Chrome 143 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 8 months ago
Chrome 141 Mac OS X 10.15.7 Benchmark.js Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 one year ago
Chrome 140 Mac OS X 10.15.7 Benchmark.js Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 one year ago