Benchmark: spread vs concat vs unshift223

Script Preparation code:

var array = new Array(10).fill(0);

Tests:

arrayUnshift123
const r = array.slice().unshift(0);
arrayConcat123
const r = array.concat([0])
arraySpread123
const r = array = [0, ...array]
reduce123
const r = array.reduce((acc, cur) => { acc.push(cur); return acc; }, [0])

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Browser/OS: Chrome 101 on Linux

spread vs concat vs unshift223 (version: 0)