Run results for: Reduce vs Assign

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser: Chrome 112

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

objectArr = [...Array(10)].map((v, i) => ({[i + 1]: i + 1}))

Tests:

Reduce + assign
objectArr.reduce((carry, current) => (Object.assign(carry, current)), {})
Pure assign
Object.assign({}, ...objectArr)
Reduce + spread
objectArr.reduce((carry, current) => ({ ...carry, ...current }), {})