Run results for: JS Object assign vs object new property

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 10.15.2

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Object assign	5766955.0 Ops/sec
Object new property	949564200.0 Ops/sec

Tests:

Object assign
const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = Object.assign(firstObject, secondObject);
Object new property
const firstObject = { sampleData: 'Hello world' } firstObject.moreData = 'foo bar';