Run results for: Spread vs Iteration

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser: Chrome 109

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Tests:

Spread
const a = { a: 1 }; const b = { b: 1, c: 2, d: 3, e: 4, f: 5, g: 6 }; const c = { ...a, ...b };
ForEach
const a = { a: 1 }; const b = { b: 1, c: 2, d: 3, e: 4, f: 5, g: 6 }; Object.entries(b).forEach(([key, value]) => { a[key] = value; });
Object.assign
const a = { a: 1 }; const b = { b: 1, c: 2, d: 3, e: 4, f: 5, g: 6 }; const c = Object.assign({}, a, b);