终于解决!图片随鼠标移动在FireFox下实现,另附一个好玩的图片随鼠标伸缩效果

来源:互联网 发布:手游优化器 编辑:程序博客网 时间:2024/04/29 13:14

不用left/top处理(用padding代替):

<html>
<head>

<script type="text/javascript">
function show_pic(event){
    var x = event.clientX + document.body.scrollLeft;
    var y = event.clientY + document.body.scrollTop;
    var IMG = document.getElementById("img1");
    var IMG_height = IMG.height;
    var IMG_width = IMG.width;
    IMG.style.paddingLeft = x - IMG_width/2;
    IMG.style.paddingTop = y - IMG_height/2;
}
</script>
</head>
<body>
<img src="1.jpg" id="img1">
<script type="text/javascript">
document.addEventListener("mousemove",show_pic,'event');
</script>
</body>
</html>


用left/top处理:

<html>
<head>
<style type="text/css">
#img1{
    position:absolute;          //重点!
}

</style>
<script type="text/javascript">
function show_pic(event){
    var x = event.clientX + document.body.scrollLeft;
    var y = event.clientY + document.body.scrollTop;
    var IMG = document.getElementById("img1");
    var IMG_height = IMG.height;
    var IMG_width = IMG.width;
    IMG.style.left = x - IMG_width/2;
    IMG.style.top = y - IMG_height/2;
}
</script>
</head>
<body>
<img src="1.jpg" id="img1">
<script type="text/javascript">
document.addEventListener("mousemove",show_pic,'event');
</script>
</body>
</html>



图片随鼠标伸缩效果:

<html>
<head>
<script type="text/javascript">
function show_pic(event){
    var x = event.clientX + document.body.scrollLeft;
    var y = event.clientY + document.body.scrollTop;
    var IMG = document.getElementById("img1");
    IMG.width = x;
    IMG.height = y;
}
</script>
</head>
<body>
<img src="1.jpg" id="img1">
<script type="text/javascript">
document.addEventListener("mousemove",show_pic,'event');
</script>
</body>
</html>

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