Run results for: Spread vs unshift sam

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
unshift	16298.5 Ops/sec
spread	255.3 Ops/sec

Script Preparation code:

var arr = [];
for (let i = 0; i < 100_000; ++i) {
	arr.push('i: ' + i);
}

AخA
 
var arr = [];for (let i = 0; i < 100_000; ++i) {    arr.push('i: ' + i);}

Tests:

unshift
arr.unshift('AddedToFront'); const arr2 = arr;
arr.unshift('AddedToFront');
const arr2 = arr;
spread
const arr2 = ['AddedToFront', ...arr];
const arr2 = ['AddedToFront', ...arr];