Run results for: Delete vs destructure for objects

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) EdgiOS/127.0.2651.81 Version/17.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.5

Device Platform: Mobile

Date tested: one year ago

delete

27.6M/s

Rest object

14.0M/s

View exact numbers

Test name	Executions per second
✓ delete	27,642,728 Ops/sec
Rest object	13,970,360 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