<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div class="g-index">
<div class="right">
<div >
<ul id="demo">
<li>1111</li>
<li>2222</li>
<li>3333</li>
<li>4444</li>
<li>5555</li>
<li>6666</li>
</ul>
</div>
</div>
</body>
<script src="./js/jquery.min.js"></script>
<script>
function change() {
var body=$("#demo");
body.append(body.children().first());
}
$(document).ready(function() {
$("#demo").mouseenter(function () {
clearInterval(MyMar1)
});
$("#demo").mouseleave(function () {
MyMar1 = setInterval(change, 1000);
});
});
var MyMar1=setInterval(change,1000);
</script>
</html>