Run results for: Delete vs set undefined for Object field

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Delete

75.3M/s

Set undefined

70.0M/s

View exact numbers

Test name	Executions per second
✓ Delete	75,341,248 Ops/sec
Set undefined	69,962,576 Ops/sec

Script Preparation code:

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

Tests: