为什么方法没有执行?
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>News Ticker</title>
<script src="/js/jquery-2.2.3.min.js"></script>
<script type="text/javascript">
function startTicker() {
$("#news").find("li:first").slideUp(function () {
$(this).appendTo($("#news")).slideDown();
});
}
setInterval(startTicker,3000);
</script>
</head>
<body>
<ul id="news">
<li>one</li>
<li>two</li>
<li>three</li>
<li>four</li>
</ul>
</body>
</html>
遇到这种组件直接上 slick. js