<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>
<script>
$(document).ready(function()
{
$("button").click(function(){
$("#p1").css("color","red").slideUp(2000).slideDown(2000);
});
});
</script>
</head>
<body>
<p id="p1">jQuery 乐趣十足！</p>
<button>点击这里</button>
</body>
</html>
