       if (!elem) {
            return;
        }
        var s = elem.style;
        elem.textContent = text;
        s.display = 'block';
        s.opacity = 1;
        (function fade() {
            (s.opacity -= .1) < .1 ? s.display = "none" : setTimeout(fade, speed)
        })();
    }

    function copyToClipboard(text, el) {
        var copyTest = document.queryCommandSupported('copy');
        var elOriginalText = el.getAttribute('data-original-title');

        if (copyTest === true) {
            