Run results for: Array .push() vs .unshift()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0

Browser: Firefox 136

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

.push()

31.8M/s

.unshift()

505K/s

View exact numbers

Test name	Executions per second
✓ .push()	31,803,918 Ops/sec
.unshift()	505,432 Ops/sec

Script Preparation code:

var arr = []

Tests: