<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>淡入淡出</title>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.3/jquery.easing.min.js "></script>
<script>
$(function () {
$("#fadeIn").click(function () {
$("#box").fadeIn("slow");
});
$("#fadeOut").click(function () {
$("#box").fadeOut("slow");
});
$("#fadeToggle").click(function () {
$("#box").fadeToggle("slow");
})
})
</script>
<style>
#box{
height: 600px;
400px;
border: 1px solid black;
background-color: lightcoral;
margin-bottom: 20px;
}
button{
margin-left: 20px;
}
</style>
</head>
<body>
<div id="box"></div>
<button id="fadeIn">fadeIn</button>
<button id="fadeOut">fadeOut</button>
<button id="fadeToggle">adeToggle</button>
</body>
</html>