document.getElementById('joinurl').addEventListener('click',(e) => {
    var url = document.getElementById('joinurl');
    var sel = window.getSelection();
    var range = document.createRange();
    range.selectNodeContents(url);
    sel.removeAllRanges();
    sel.addRange(range);
    if (document.execCommand('copy') === true) {
        url.classList.add('copied');
        setTimeout(() => {
            url.classList.remove('copied');
        }, 0);
        
    }
    sel.removeAllRanges();
});