Aha - Update or set an get params to a url

const urlForOneQuest = (href) => {
    const Url = new URL(href)
    Url.searchParams.set('guests', 'A')
    return Url.href
}
console.log(urlForOneQuest('https://www.simplebooking.it/ibe2/hotel/5821/?in=2025-10-28&out=2025-10-29&guests=A%2CA'))