Run results for: Delete vs set undefined for Object field

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:143.0) Gecko/20100101 Firefox/143.0

Browser: Firefox 143

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 8 months ago

Test name	Executions per second
Delete	63654488.0 Ops/sec
Set undefined	1058150592.0 Ops/sec

Script Preparation code:

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

Tests: