Run results for: array join vs toString js vs json

Run details:

User agent: Mozilla/5.0 (Android 15; Mobile; rv:142.0) Gecko/142.0 Firefox/142.0

Browser: Firefox Mobile 142

Operating system: Android

Device Platform: Mobile

Date tested: 8 months ago

Script Preparation code:

var arr = ['1',2,null,undefined,'5','6','7','8']

Tests: