Run results for: Delete vs destructure for objects

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/113.0.5672.69 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 113

Operating system: iOS 16.5

Device Platform: Mobile

Date tested: 2 years ago

delete

25.6M/s

Rest object

12.3M/s

View exact numbers

Test name	Executions per second
✓ delete	25,630,784 Ops/sec
Rest object	12,338,012 Ops/sec

Script Preparation code:

var obj = {
  a:1,
  b:2,
  c:3
}

Tests:

delete
delete obj.a
Rest object
const { a, ...rest } = obj;

Run results for: Delete vs destructure for objects

Measure the performance of delete versus removing a prop from an object

delete

Rest object