Run results for: Object spread operator vs property assignment

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
Spread operator	86145904.0 Ops/sec
Property assignment	220067696.0 Ops/sec

Tests:

Spread operator
const obj = { a: 1, b: 'two', c: true }; const objExt = { ...obj, b: 2 };
AخA

const obj = { a: 1, b: 'two', c: true };
const objExt = { ...obj, b: 2 };
Property assignment
const obj = { a: 1, b: 'two', c: true }; obj.b = 2;
const obj = { a: 1, b: 'two', c: true };
obj.b = 2;