Run results for: Object spread

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

Browser: Chrome 70

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Object add new item	943108300.0 Ops/sec
Object Spread	34603160.0 Ops/sec

Tests:

Object add new item
const firstObject = { sampleData: 'Hello world' } firstObject["moreData"] = "foo bar"
Object Spread
let firstObject = { sampleData: 'Hello world' } firstObject = { ...firstObject, moreData: 'foo bar' };