Listing latest benchmark results

Historical Performance Data aggregated from 6 community runs

Desktop Results:
Chrome 6 runs
charCodeAt
127.9M/s
startsWith
122.6M/s
View exact numbers
  • ✓ charCodeAt: 127,868,224 ops/sec
  • • startsWith: 122,575,056 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 146 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/146.0.0.0 Safari/537.36 5 months ago
Chrome 146 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36 5 months ago
Chrome 145 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 7 months ago
Chrome 137 Linux Benchmark.js Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36 one year ago
Chrome 135 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/135.0.0.0 Safari/537.36 one year ago
Mobile Safari 17 iOS 17.5.1 Benchmark.js 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 2 years ago
Chrome 123 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 2 years ago