Run results for: chain of or equals vs Array.includes

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser: Chrome 109

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Script Preparation code:

var x = 3;
var list = [undefined, NaN, null, ''];

Tests:

Array.includes
[undefined, NaN, null, ''].includes(x)
Or chain
x === undefined || Number.isNaN(x) || x === null || x === ''
Or chain (witch cheap 'undefined' check)
typeof x === 'undefined' || Number.isNaN(x) || x === null || x === ''
Array.includes with predefined list
list.includes(x)
Array.includes with predefined list (witch cheap 'undefined' check)
typeof x === 'undefined' || list.includes(x)