Run results for: delete prop object

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

Browser: Chrome 105

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

var person = { name: 'John', age: 23, sex: 'Male' };

Tests:

delete
delete person.age;
undefined
person.age = undefined;
getComputedStyle
parseFloat(getComputedStyle(document.createElement('div')).width)
getPropertyValue()
parseFloat(getComputedStyle(document.createElement('div')).getPropertyValue('width'))