console 命令行工具 X clear

console

$(document).ready(function(){
  $("#flip").click(function(){
    $("#panel").slideToggle("slow");
  });
});

<script src="http://cdn.static.runoob.com/libs/jquery/1.10.2/jquery.min.js">
</script>
<div id="flip">点我，显示或隐藏面板。</div>
<div id="panel">Hello world!</div>

#panel,#flip
{
	padding:20px;
	text-align:center;
	background-color:#FF6666;
	border:solid 1px #FFCCCC;
}
#panel
{
	padding:60px;
	display:none;
}