function copyBtn(btn) {

btn.addEventListener("click", function (clicked) {
    navigator.clipboard.writeText(window.location.href);
    return function () {
        if (!clicked) {
            var last = this.innerHTML;
            this.innerHTML = "Link Copied!";
            clicked = true;
            setTimeout(function () {
                this.innerHTML = last;
                clicked = false;
            }.bind(this), 2000);
        }
    };
}(false), this);

}
copyBtn(document.querySelector(".icon-copy-share"))