Run results for: JavaScript spread operator vs Object.assign performance fixed 2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36

Browser: Chrome 116

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Using the spread operator	2162263.0 Ops/sec
Using Object.assign	3506042.8 Ops/sec

Script Preparation code:

var firstObject = { sampleData: 'Hello world' }
var secondObject = { moreData: 'foo bar' }

Tests:

Using the spread operator
const finalObject = { ...firstObject, ...secondObject };
Using Object.assign
const finalObject = Object.assign({}, firstObject, secondObject);