Run results for: Splice vs Spread vs Unshift to insert at beginning of array (fixed from slice)

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 120

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Splice

21K/s

Unshift

13K/s

Spread

76/s

View exact numbers

Script Preparation code:

var array = Array.from({ length: 100 }).map((val, i) => i);

Tests: