Run results for: splice vs unshift

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

unshift

742K/s

splice

7K/s

View exact numbers

Test name	Executions per second
✓ unshift	742,063 Ops/sec
splice	7,120 Ops/sec

Script Preparation code:

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

Tests: