Run results for: JS Object assign vs object new property 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Object new property

112.3M/s

Object assign

15.6M/s

View exact numbers

Test name	Executions per second
✓ Object new property	112,300,512 Ops/sec
Object assign	15,563,778 Ops/sec

Tests:

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