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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.72 Safari/537.36

Browser: Chrome 90

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

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

Tests: