Run results for: instanceof vs null

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0

Browser: Firefox 111

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
intance	59985610.0 Ops/sec
null	630446700.0 Ops/sec

Script Preparation code:

var obj = {};

Tests: