运行效果
页面代码
<link rel="stylesheet" type="text/css" href="../css/jquery-ui.css"/>
<script type="text/javascript" src="../js/jquery-3.4.0.js"></script>
<script type="text/javascript" src="../js/jquery-ui.js"></script>
<body>
<div id="accordion">
<h3>A</h3>
<div>Content A</div>
<h3>B</h3>
<div>Content B</div>
<h3>C</h3>
<div>Content C</div>
</div>
</body>
<script>
$(function () {
$("#accordion").accordion();
});
</script>