Run results for: Nested object

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Without nested object

123.8M/s

With one nested object

28.9M/s

View exact numbers

Test name	Executions per second
✓ Without nested object	123,756,440 Ops/sec
With one nested object	28,884,824 Ops/sec

Tests:

With one nested object
const user = { name: 'Jane' }; const address = { street: 'Main St.', number: 213 }; return { ...user, ...{ street: address.street, number: address.number, }, };
Without nested object
const user = { name: 'Jane' }; const address = { street: 'Main St.', number: 213 }; return { ...user, street: address.street, number: address.number, };