<style >
#msgbox {
width: 5 rem;
height: 1 rem;
line-height: 1 rem;
background: rgba(0, 0, 0, 0.6);
z-index: 999999;
color: #fff;
font-size: 0.3 rem;
text-align: center;
border-radius: 0.2 rem;
position: fixed;
left: 50%;
top: 50%;
-webkit-transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
}
</style>
<script>
function MyAlert(msg, msgbox) {
msgbox = msgbox ? msgbox : "msgbox";
var msgbox = "#" + msgbox;
if ($(msgbox).length > 0) {
return false;
}
var timer;
var div = '<div id="msgbox">' + msg + '</div>'
clearTimeout(timer);
$('body').append(div);
timer = setTimeout(function() {
$(msgbox).fadeOut(300, function() {
$(msgbox).remove();
});
}, 1000)
}
</srcipt>