const kysLink = document.getElementById("kysLink")
kysLink.onclick = () => {
    const link = kysLink.innerHTML
    navigator.clipboard.writeText(link)
    const linkInfo = document.createElement("div")
    linkInfo.className = 'kysInfo'
    const linkText = document.createTextNode( 
            "Linkki " + link + " on kopioitu leikepöydälle." )
    linkInfo.appendChild( linkText )
    document.documentElement.lastChild.append(linkInfo)
}

setInterval( () => {
    Array.from(document.getElementsByClassName('kysInfo')).forEach( (a)=>{
        a.addEventListener('click', (event) => { event.target.remove() } )
        if (a.style.transition=="opacity 2s") a.remove()
        a.style.transition="opacity 2s"
        a.style.opacity=0;
    } )
}, 5000)