Run results for: Check function. typeof vs constructor + null check

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; MAR-LX1A) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 110

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
typeof	3971590.0 Ops/sec
constructor	956482.3 Ops/sec

Script Preparation code:

var fun = a => {};

Tests: