Listing latest benchmark results

Historical Performance Data aggregated from 5 community runs

Desktop Results:
Chrome 5 runs
charAt()
190.6M/s
character index
184.3M/s
startsWith()
175.6M/s
slice()
148.7M/s
RegExp
78.6M/s

Fastest: charAt() (2.4x faster)

View exact numbers
  • ✓ charAt(): 190,605,456 ops/sec
  • • character index: 184,282,848 ops/sec
  • • startsWith(): 175,554,720 ops/sec
  • • slice(): 148,721,472 ops/sec
  • • RegExp: 78,563,272 ops/sec

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

Browser OS User Agent When Created
Chrome 133 Mac OS X 10.15.7 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 one year ago
Chrome 133 Mac OS X 10.15.7 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 one year ago
Chrome 133 Mac OS X 10.15.7 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 one year ago
Chrome 133 Linux Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 one year ago
Mobile Safari 18 iOS 18.3.1 Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Mobile/15E148 Safari/604.1 one year ago
Mobile Safari 18 iOS 18.3.1 Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Mobile/15E148 Safari/604.1 one year ago
Chrome 133 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 one year ago