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Summary of usage of fadeIn, fadeOut and fadeTo in jQuery

巴扎黑Original: 2017-06-30 10:10:511559browse

<head>
    <title></title>
    <style type="text/css">
    #img1
    {
        width:400px; height:500px;
        }
    </style>
    <script src="jquery-1.9.1.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {
            $(&#39;#Button1&#39;).bind(&#39;click&#39;, function () {
                $(&#39;img&#39;).fadeOut(2000, function () {
                    $(&#39;#Button1&#39;).val(&#39;哎，没了&#39;);      //图片的消失
                });
            })
            $(&#39;#Button2&#39;).bind(&#39;click&#39;, function () {
                $(&#39;img&#39;).fadeIn(2000, function () {
                    $(&#39;#Button2&#39;).val(&#39;有了&#39;);      //图片的呈现
                });
            })
            $(&#39;#Button3&#39;).bind(&#39;click&#39;, function () {
                $(&#39;img&#39;).fadeTo(2000, 0.3, function () {
                    alert(&#39;动画执行完毕&#39;);       //图片透明度
                });
            })
            $(&#39;#Select1&#39;).bind(&#39;change&#39;, function () { //可以是change或者是click事件
                $(&#39;img&#39;).fadeTo(1000, $(&#39;#Select1 option:selected&#39;).val());
            })
        })
    </script>
</head>
<body>
<img src="images/1.jpg" id="img1" />
    <input id="Button1" type="button" value="button" />
    <input id="Button2" type="button" value="button" />
    <input id="Button3" type="button" value="button" />
    <select id="Select1">
        <option>1</option>
        <option>0.1</option>
        <option>0.2</option>
        <option>0.3</option>
        <option>0.4</option>
        <option>0.5</option>
        <option>0.6</option>
        <option>0.7</option>
        <option>0.8</option>
        <option>0.9</option>
        <option>0</option>
    </select>
</body>

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