Run results for: delete vs undefined vs null

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36

Browser: Chrome 90

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

test = {
    test: {
        hello: 'your mom'
    }
}

Tests: