Tryit Editor v2.7

Edit This Code:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.bootcss.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script> 
$(document).ready(function(){
    $("#flip").click(function(){
        $("#panel").slideDown(5000);
    });
    $("#stop").click(function(){
        $("#panel").stop();
    });
});
</script>
 
<style> 
#panel, #flip {
    padding: 5px;
    font-size: 18px;
    text-align: center;
    background-color: #555;
    color: white;
    border: solid 1px #666;
    border-radius: 3px;
}

#panel {
    padding: 50px;
    display: none;
}
</style>

<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "//hm.baidu.com/hm.js?73c27e26f610eb3c9f3feb0c75b03925";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
</head>
<body>
 
<button id="stop">Stop sliding</button>

<div id="flip">Click to slide down panel</div>
<div id="panel">Hello world!</div>

</body>
</html>