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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36 OPR/75.0.3969.171

Browser: Opera 75

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

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

Tests: