Benchmark: Array push vs spread operators

Tests:

Push
let first = Array.from({ length: 100 }, (_, i) => i); let second = Array.from({ length: 100 }, (_, i) => i); let all = first.push(...second)
Spread
let first = Array.from({ length: 100 }, (_, i) => i); let second = Array.from({ length: 100 }, (_, i) => i); let all = [...first, ...second]

Rendered benchmark preparation results:

Previous results

Test case name	Result
Push
Spread

Latest run results:

Run details: (Test run date: 8 months ago)

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Mobile Safari/537.36 OPR/92.0.0.0

Browser/OS: Opera Mobile 92 on Android

Push

58K/s

Spread

57K/s

View exact numbers

Test name	Executions per second
✓ Push	58,232 Ops/sec
Spread	57,343 Ops/sec

Array push vs spread operators (version: 1)