Run results for: JavaScript object spread operator lead & tail

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
Lead	7522663.0 Ops/sec
Tail	6808897.0 Ops/sec

Tests:

Lead
const mockObject = { a: 'qwerty', b: 'bob', c: 'Lorem', d: 'Ipsum', e: 'dummy', f: 'text' } const finalObject = { g: 'Test', ...mockObject, };
Tail
const mockObject = { a: 'qwerty', b: 'bob', c: 'Lorem', d: 'Ipsum', e: 'dummy', f: 'text' } const finalObject = { ...mockObject, g: 'Test', };