Listing latest benchmark results

Historical Performance Data aggregated from 5 community runs

Desktop Results:
Chrome 5 runs
Array(n).fill(null)
11K/s
[...Array(n)]
11K/s
while(up--) myArray.push(Math.random());
10K/s
Array.from({ length: n })
8K/s
Array.from({ length:n }, (item, i) => i)
7K/s

Fastest: Array(n).fill(null) (1.5x faster)

View exact numbers
  • ✓ Array(n).fill(null): 10,808 ops/sec
  • • [...Array(n)]: 10,625 ops/sec
  • • while(up--) myArray.push(Math.random());: 10,129 ops/sec
  • • Array.from({ length: n }): 7,852 ops/sec
  • • Array.from({ length:n }, (item, i) => i): 7,369 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 145 Linux Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 4 months ago
Chrome 121 Windows 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 Windows 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 122 Windows 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 122 Windows 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