Run results for: Spread vs forloop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36 Edg/85.0.564.51

Browser: Chrome 85

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Spread	2495579.2 Ops/sec
Forloop	52942572.0 Ops/sec

Tests:

Spread
const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = { ...firstObject, ...secondObject };
Forloop
const firstObject = { sampleData: 'Hello world' } const secondObject = { moreData: 'foo bar' } const finalObject = { }; for (let item in firstObject) { finalObject[item] = firstObject[item]; } for (let item in secondObject) { finalObject[item] = secondObject[item]; }