Run results for: splice 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

unshift

396K/s

splice

3K/s

View exact numbers

Test name	Executions per second
✓ unshift	395,708 Ops/sec
splice	2,867 Ops/sec

Script Preparation code:

var arr = [1,2,3,4,5,6,7,8,9];

Tests: