Run results for: JavaScript object spread operator lead & tail

Run details:

User agent: Mozilla/5.0 (Linux; arm_64; Android 9; ONEPLUS A5010) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.96 YaBrowser/24.4.3.96.00 SA/3 Mobile Safari/537.36

Browser: Yandex Browser 24

Operating system: Android

Device Platform: Mobile

Date tested: 3 months ago

Test name	Executions per second
Lead	2151422.2 Ops/sec
Tail	9371023.0 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', };

Run results for: JavaScript object spread operator lead & tail

Lead

Tail