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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

.push()

33.6M/s

.unshift()

385K/s

View exact numbers

Test name	Executions per second
✓ .push()	33,640,116 Ops/sec
.unshift()	385,447 Ops/sec

Script Preparation code:

var arr = []

Tests: