Run results for: delete vs null vs undefined vs void 0 vs Object.create(null) propertie

Run details:

User agent: Mozilla/5.0 (Android 11; Mobile; rv:93.0) Gecko/93.0 Firefox/93.0

Browser: Firefox Mobile 93

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Tests:

null
for(let i = 0; i < 1000;i++) { let a = { a: 999, b: 3000 } a.a = null; a.b = null; }
undefined
for(var i = 0; i < 1000;i++) { let a = { a: 999, b: 3000 } a.a = undefined; a.b = undefined; }
delete
for(var i = 0; i < 1000;i++) { let a = { a: 999, b: 3000 } delete a.a; delete a.b; }