鼠标划过图片title 提示实现

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>图片提示</title>

 <!--   引入jQuery -->

 <script src="../../scripts/jquery.js" type="text/javascript"></script>

<style type="text/css">

body{

    margin:0;

    padding:40px;

    background:#fff;

    font:80% Arial, Helvetica, sans-serif;

    color:#555;

    line-height:180%;

}

img{border:none;}

ul,li{

    margin:0;

    padding:0;

}

li{

    list-style:none;

    float:left;

    display:inline;

    margin-right:10px;

    border:1px solid #AAAAAA;

}

/* tooltip */

#tooltip{

    position:absolute;

    border:1px solid #ccc;

    background:#333;

    padding:2px;

    display:none;

    color:#fff;

}

</style>

<script type="text/javascript">

//<![CDATA[

$(function(){

    var x = 10;

    var y = 20;

    $("a.tooltip").mouseover(function(e){

        this.myTitle = this.title;

        this.title = "";

        var imgTitle = this.myTitle? "<br/>" + this.myTitle : "";

        var tooltip = "<div id='tooltip'><img src='"+ this.href +"' alt='产品预览图'/>"+imgTitle+"<\/div>"; //创建 div 元素

        $("body").append(tooltip);    //把它追加到文档中

        $("#tooltip")

            .css({

                "top": (e.pageY+y) + "px",

                "left":  (e.pageX+x)  + "px"

            }).show("fast");      //设置x坐标和y坐标，并且显示

    }).mouseout(function(){

        this.title = this.myTitle;

        $("#tooltip").remove();     //移除

    }).mousemove(function(e){

        $("#tooltip")

            .css({

                "top": (e.pageY+y) + "px",

                "left":  (e.pageX+x)  + "px"

            });

    });

})

//]]>

</script>

</head>

<body>

<h3>有效果：</h3>

    <ul>

        <li><a href="images/apple_1_bigger.jpg" class="tooltip" title="苹果 iPod"><img src="data:images/apple_1.jpg" alt="苹果 iPod" /></a></li>

        <li><a href="images/apple_2_bigger.jpg" class="tooltip" title="苹果 iPod nano"><img src="data:images/apple_2.jpg" alt="苹果 iPod nano"/></a></li>

        <li><a href="images/apple_3_bigger.jpg" class="tooltip" title="苹果 iPhone"><img src="data:images/apple_3.jpg" alt="苹果 iPhone"/></a></li>

        <li><a href="images/apple_4_bigger.jpg" class="tooltip" title="苹果 Mac"><img src="data:images/apple_4.jpg" alt="苹果 Mac"/></a></li>

    </ul>
</body>
</html>
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鼠标划过图片title 提示实现

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