Run results for: instanceof vs null

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36

Browser: Chrome 90

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
intance	3623846.0 Ops/sec
null	10112530.0 Ops/sec

Script Preparation code:

var obj = {};

Tests: