Run results for: spread undefined vs empty object

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
undefined	1699.0 Ops/sec
empty	9620.2 Ops/sec

Tests:

undefined
for (let i = 0, n = 10000; i < n; i++) { const obj = { ...undefined }; }
empty
for (let i = 0, n = 10000; i < n; i++) { const obj = { ...{} }; }