Listing latest benchmark results

Historical Performance Data aggregated from 12 community runs

Desktop Results:
Chrome 7 runs
for..of
2.9M/s
for in
1.6M/s
foreach
1.2M/s
for
520K/s

Fastest: for..of (5.6x faster)

View exact numbers
  • ✓ for..of: 2,892,142 ops/sec
  • • for in: 1,638,315 ops/sec
  • • foreach: 1,194,324 ops/sec
  • • for: 519,905 ops/sec
Firefox 5 runs
for in
80.6M/s
for
1.6M/s
foreach
1.1M/s
for..of
323K/s

Fastest: for in (249.2x faster)

View exact numbers
  • ✓ for in: 80,563,456 ops/sec
  • • for: 1,574,301 ops/sec
  • • foreach: 1,140,244 ops/sec
  • • for..of: 323,251 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
Firefox 148 Linux Mozilla/5.0 (X11; Linux x86_64; rv:148.0) Gecko/20100101 Firefox/148.0 4 months ago
Chrome 144 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 Edg/144.0.0.0 5 months ago
Chrome 144 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 Edg/144.0.0.0 6 months ago
Safari 18 Mac OS X 10.15.7 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15 8 months ago
Chrome 142 Mac OS X 10.15.7 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36 8 months ago
Firefox 146 Mac OS X 10.15 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:146.0) Gecko/20100101 Firefox/146.0 8 months ago
Firefox 145 Linux Mozilla/5.0 (X11; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0 8 months ago
Firefox 145 Linux Mozilla/5.0 (X11; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0 8 months ago
Chrome 138 Mac OS X 10.15.7 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 one year ago
Chrome 138 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 Edg/138.0.0.0 one year ago
Chrome 138 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 one year ago
Firefox 141 Linux Mozilla/5.0 (X11; Linux x86_64; rv:141.0) Gecko/20100101 Firefox/141.0 one year ago
Chrome 138 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 one year ago