Run results for: Delete vs set undefined for Object field

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Delete

26.4M/s

Set undefined

15.8M/s

View exact numbers

Test name	Executions per second
✓ Delete	26,356,966 Ops/sec
Set undefined	15,833,228 Ops/sec

Script Preparation code:

var obj = {a:1, b:2, c:3, d:4};

Tests: