Short answer:

document.addEventListener("DOMContentLoaded", function() {
    window.addEventListener('scroll', function(){
        console.log("X-Position", window.scrollX)
        console.log("Y-Position: ", window.scrollY) 
    })
})

Note! pageXOffset and pageYOffset is deprecated

• https://github.com/microsoft/TypeScript/blob/d2fdf851cc630d812b7b336a43cc1f363ba25083/src/lib/dom.generated.d.ts#L25658C40-L25658C40