Benchmark: Splice vs Spread vs Unshift to insert at beginning of array

Script Preparation code:

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

Tests:

Rendered benchmark preparation results:

Previous results

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

Run details: (Test run date: 8 days ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser/OS: Chrome 123 on Mac OS X 10.15.7

Splice vs Spread vs Unshift to insert at beginning of array (version: 0)