Run results for: null vs undefined iiffe

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:144.0) Gecko/20100101 Firefox/144.0

Browser: Firefox 144

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
null case	3432364.0 Ops/sec
undefined case	2544217.8 Ops/sec

Tests:

null case
for (let i = 0; i < 1000; i++) { null; }
undefined case
(function(undefined) { for (let i = 0; i < 1000; i++) { undefined; } })()