Run results for: Array add vs .unshift() 2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:120.0) Gecko/20100101 Firefox/120.0

Browser: Firefox 120

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

.unshift()

539K/s

.concat

128/s

View exact numbers

Test name	Executions per second
✓ .unshift()	538,794 Ops/sec
.concat	128 Ops/sec

Script Preparation code:

var arr = [1,2,3,4]

Tests: