Run results for: js boolean double negative isSet

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Tests:

!!
let a = !!null; let b = !!{};
Boolean
let a = Boolean(null); let b = Boolean({});
isSet
let a = (null === null || null === undefined || isNaN(null)); let b = ({} === null || {} === undefined || isNaN({}));