zer.ooo-web/public/js/invites.js

$(function () {
    var clipboard = new Clipboard('.copy');

	clipboard.on('success', function(e) {
		$(e.trigger).text('Copied!')
		setTimeout(
			function () {
				$(e.trigger).text('Copy');
			},
			2000
		);
	});

	clipboard.on('error', function(e) {
		$(e.trigger).text('Couldn\t copy :(')
		setTimeout(
			function () {
				$(e.trigger).text('Copy');
			},
			2000
		);
	});
});