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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:55.0) Gecko/20100101 Firefox/55.0

Browser: Firefox 55

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
.unshift()	388535.0 Ops/sec
.push()	15325190.0 Ops/sec

Script Preparation code:

var arr = []

Tests: