Run results for: Fastest way to check if object is empty

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/113.0

Browser: Firefox 113

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
object.keys()	32810450.0 Ops/sec
JSON.stringify()	16153680.0 Ops/sec

Script Preparation code:

var xxx = {}

Tests: