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Run results for:
JavaScript object spread operator lead & tail
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<iframe src="https://measurethat.net/Embed?id=538898" width="100%" height="500px"></iframe>
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:
one year 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', };