Benchmark: Clone and append to beginning of array

Clone and append to beginning of array (version: 0)

Script Preparation code:

var array = ["hello", true, 7];
var newElement = "new";

Tests:

Array.prototype.toSpliced
const newArray = array.toSpliced(0, 0, newElement);
Array.prototype.slice + Array.prototype.unshift
const newArray = array.slice(); newArray.unshift(newElement);
Spread operator
const newArray = [newElement, ...array];

Rendered benchmark preparation results:

Previous results

Test case name	Result
Array.prototype.toSpliced
Array.prototype.slice + Array.prototype.unshift
Spread operator

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Latest run results:

Run details: (Test run date: one month ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser/OS: Firefox 128 on Windows

Test name	Executions per second
Array.prototype.toSpliced	18843600.0 Ops/sec
Array.prototype.slice + Array.prototype.unshift	15991050.0 Ops/sec
Spread operator	20711540.0 Ops/sec