<h2>Snackbar / Toast</h2>

<p>在屏幕底部弹出消息,作用与使用方法都与Toast类似</p>

<p>点击按钮显示提示信息，3 秒后消失</p>

​

<button onclick="myFunction()">显示 Snackbar</button>

​

<div id="snackbar">一些文本..</div>

function myFunction() {

    var x = document.getElementById("snackbar")

    x.className = "show";

    setTimeout(function(){ x.className = x.className.replace("show", ""); }, 3000);

}

#snackbar {

    visibility: hidden;

    min-width: 250px;

    margin-left: -125px;

    background-color: #333;

    color: #fff;

    text-align: center;

    border-radius: 2px;

    padding: 16px;

    position: fixed;

    z-index: 1;

    left: 50%;

    bottom: 30px;

    font-size: 17px;

}

​

#snackbar.show {

    visibility: visible;

    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;

    animation: fadein 0.5s, fadeout 0.5s 2.5s;

}

​

@-webkit-keyframes fadein {

    from {bottom: 0; opacity: 0;} 

    to {bottom: 30px; opacity: 1;}

}

​

@keyframes fadein {

    from {bottom: 0; opacity: 0;}

    to {bottom: 30px; opacity: 1;}

}

​

@-webkit-keyframes fadeout {

    from {bottom: 30px; opacity: 1;} 

    to {bottom: 0; opacity: 0;}

}

​

@keyframes fadeout {

    from {bottom: 30px; opacity: 1;}

    to {bottom: 0; opacity: 0;}

}