Run results for: null vs undefined iiffe

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.27 Safari/537.36

Browser: Chrome 96

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
null case	4095564.5 Ops/sec
undefined case	4032433.8 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; } })()