Run results for: Fastest way to check if object is empty with 3 types of checks

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:140.0) Gecko/20100101 Firefox/140.0

Browser: Firefox 140

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 10 months ago

Script Preparation code:

var xxx = {}

Tests:

object.keys()
Object.keys(xxx) === 0
JSON.stringify()
JSON.stringify(xxx) === "{}"
iterate over props
let isEmpty = true; for (const key in xxx) { isEmpty = false; break; } return isEmpty;