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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.88 Safari/537.36 Vivaldi/2.4.1488.35

Browser: Chrome 73

Operating system: Mac OS X 10.14.3

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Using the spread operator	2337125.0 Ops/sec
Using Object.assign	3921362.0 Ops/sec

Tests:

Using the spread operator
const firstObject = { sampleData: 'Hello world', sample2: false } const secondObject = { moreData: 'foo bar', more2: 4444 } const finalObject = { ...firstObject, ...secondObject };
Using Object.assign
const firstObject = { sampleData: 'Hello world', sample2: false } const secondObject = { moreData: 'foo bar', more2: 4444 } const finalObject = Object.assign(firstObject, secondObject);

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

Using the spread operator

Using Object.assign