<script>
$(".change").animate({height:"hide",width:"300px"},"3000")
</script>
<body>
<div class="change">你好</div>
</body>
2021-07-08 10:10:55
<script>
$(".change").animate({height:"hide",width:"300px"},"3000")
</script>
<body>
<div class="change">你好</div>
</body>