点击按钮出现提示框三秒，三秒后消失

点击按钮出现提示框三秒，三秒后消失

.prompt{    display: none;    padding:20px;    position: fixed;    top: 40%; left:40%;    border-radius:5px;    background: rgba(0,0,0,0.4);    z-index: 5000;    color:#FFF;}

<button class="btn">alert</button><p class="prompt">Submission of success</p>

$ (function (){    $ (‘.btn‘).click (function (){        $ (‘.prompt‘).show().delay(1000).fadeOut();    });});

原文地址：https://www.cnblogs.com/da-yao/p/8341319.html