Run results for: JavaScript spread operator vs Object.assign (with empty object parameter)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0

Browser: Firefox 89

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Spread Operator	4697912.5 Ops/sec
Object.assign (with empty object parameter)	7074446.0 Ops/sec

Tests:

Spread Operator
const firstObj = { id: 1, code: "1" }; const secondObj = { id: 2, code: "2" }; const finalObj = { ...firstObj, ...secondObj };
Object.assign (with empty object parameter)
const firstObj = { id: 1, code: "1" }; const secondObj = { id: 2, code: "2" }; const finalObj = Object.assign( {}, firstObj, secondObj );