Run results for: Spread Operator: Object

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.36

Browser: Chrome 88

Operating system: Mac OS X 11.2.0

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Spread object at head	1756285.8 Ops/sec
Spread object at tail	13704547.0 Ops/sec

Tests:

Spread object at head
const object = {a: 1, b: 2, c: 3}; const result = {...object, d: 4};
Spread object at tail
const object = {a: 1, b: 2, c: 3}; const result = {d: 4, ...object};