实例
jQuery fadeIn()淡入
~~~
<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>
<script>
$("button").click(function(){
$("#div1").fadeIn();
$("#div2").fadeIn("slow");
$("#div3").fadeIn(3000);
});
</script>
</head>
<body>
<button>点击这里，使三个矩形淡入淡出</button>
<br><br>
<div id="div1" style="width:80px;height:80px;background-color:red;"></div>
<br>
<div id="div2" style="width:80px;height:80px;background-color:green;"></div>
<br>
<div id="div3" style="width:80px;height:80px;background-color:blue;"></div>
</body>
</html>
~~~
jQuery fadeOut()淡出
~~~
<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>
<script>
$("button").click(function(){
$("#div1").fadeOut();
$("#div2").fadeOut("slow");
$("#div3").fadeOut(3000);
});
</script>
</head>
<body>
<button>点击这里，使三个矩形淡入淡出</button>
<br><br>
<div id="div1" style="width:80px;height:80px;background-color:red;"></div>
<br>
<div id="div2" style="width:80px;height:80px;background-color:green;"></div>
<br>
<div id="div3" style="width:80px;height:80px;background-color:blue;"></div>
</body>
</html>
~~~
jQuery fadeToggle()
~~~
<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>
<script>
$("button").click(function(){
$("#div1").fadeToggle();
$("#div2").fadeToggle("slow");
$("#div3").fadeToggle(3000);
})
</script>
</head>
<body>
<button>点击这里，使三个矩形淡入淡出</button>
<br><br>
<div id="div1" style="width:80px;height:80px;background-color:red;"></div>
<br>
<div id="div2" style="width:80px;height:80px;background-color:green;"></div>
<br>
<div id="div3" style="width:80px;height:80px;background-color:blue;"></div>
</body>
</html>
~~~
jQuery fadeTo()
jQuery fadeTo() 方法允许渐变为给定的不透明度（值介于 0 与 1 之间）。
~~~
<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>
<script>
$("button").click(function(){
$("#div1").fadeTo("slow",0.15);
$("#div2").fadeTo("slow",0.4);
$("#div3").fadeTo("slow",0.7);
});
</script>
</head>
<body>
<button>点击这里，使三个矩形淡入淡出</button>
<br><br>
<div id="div1" style="width:80px;height:80px;background-color:red;"></div>
<br>
<div id="div2" style="width:80px;height:80px;background-color:green;"></div>
<br>
<div id="div3" style="width:80px;height:80px;background-color:blue;"></div>
</body>
</html>
~~~
