jQuery中的fadeIn、fadeOut、fadeTo的应用

<head>
    <title></title>
    <style type="text/css">
    #img1
    {
        400px; height:500px;
        }
    </style>
    <script src="jquery-1.9.1.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {
            $('#Button1').bind('click', function () {
                $('img').fadeOut(2000, function () {
                    $('#Button1').val('哎,没了');    //图片消失
                });
            })
            $('#Button2').bind('click', function () {
                $('img').fadeIn(2000, function () {
                    $('#Button2').val('有了');      //图片呈现
                });
            })
            $('#Button3').bind('click', function () {
                $('img').fadeTo(2000, 0.3, function () {
                    alert('动画执行完毕');         //图片的透明度
                });
            })


            $('#Select1').bind('change', function () { //可以是change或者是click事件
                $('img').fadeTo(1000, $('#Select1 option:selected').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>

原文地址:https://www.cnblogs.com/duanlinlin/p/3065134.html