Historical Performance Data aggregated from 11 community runs

Desktop Results:
Chrome 11 runs
Using the spread operator
14.0M/s
Using Object.assign
790K/s

Fastest: Using the spread operator (17.8x faster)

View exact numbers
  • Using the spread operator: 14,034,405 ops/sec
  • Using Object.assign: 789,629 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 128 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/128.0.0.0 Safari/537.36 2 years ago
Chrome 127 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/127.0.0.0 Safari/537.36 2 years ago
Safari 17 Mac OS X 10.15.7 Benchmark.js Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Safari/605.1.15 2 years ago
Firefox 129 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:129.0) Gecko/20100101 Firefox/129.0 2 years ago
Chrome 127 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 2 years ago
Chrome 127 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 2 years ago
Opera 110 Linux Benchmark.js Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0 2 years ago
Firefox 125 Linux Benchmark.js Mozilla/5.0 (X11; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0 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
Chrome 123 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/123.0.0.0 Safari/537.36 2 years ago
Chrome 122 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 2 years ago
Chrome 121 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 2 years ago
Chrome 121 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/121.0.0.0 Safari/537.36 2 years ago
Chrome 121 Windows Benchmark.js Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 Edg/121.0.0.0 2 years ago
Chrome 119 Linux Benchmark.js Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 2 years ago