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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36

Browser: Safari 537.36

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Tests:

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