Run results for: JavaScript spread operator vs Object.assign performance 21

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36 OPR/74.0.3911.203

Browser: Opera 74

Operating system: Mac OS X 11.2.1

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Using the spread operator 22	1742810.6 Ops/sec
Using Object.assign 22	3838891.8 Ops/sec

Tests:

Using the spread operator 22
const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = { ...firstObject, ...secondObject };
Using Object.assign 22
const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = Object.assign({}, firstObject, secondObject);

Run results for: JavaScript spread operator vs Object.assign performance 21

Using the spread operator 22

Using Object.assign 22