js学习总结----案例之鼠标跟随jquery版
具体代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
body,div{
margin:0;
padding:0;
}
img{
display:block;
border:none;
}
.box{
position:relative;
width:450px;
margin:20px auto;
}
.box img{
float:left;
margin-left:10px;
width:100px;
height:75px;
border:1px solid #008000;
}
#mark{
display:none;
position:absolute;
top:0;
left:0;
z-index:10;
width:400px;
height:300px;
border:1px solid #0077b0;
}
#mark img{
float:inherit;
margin-left:0;
border:none;
width:100%;
height:100%;
}
</style>
</head>
<body>
<div class='box' id='box'>
<img src="img/apple_1.jpg" alt="" bigImg='img/apple_1_bigger.jpg'>
<img src="img/apple_2.jpg" alt="" bigImg='img/apple_2_bigger.jpg'>
<img src="img/apple_3.jpg" alt="" bigImg='img/apple_3_bigger.jpg'>
<img src="img/apple_4.jpg" alt="" bigImg='img/apple_4_bigger.jpg'>
<div id='mark'>
<img src="img/apple_1_bigger.jpg" alt="">
</div>
</div>
<script src='js/jquery-1.11.3.min.js'></script>
<script>
$(function(){
var $box = $("#box"),$mark = $("#mark");
var $boxOffset = $box.offset();//获取当前元素的距离body的偏移
$box.children("img").bind("mouseover",function(e){
var e = e || window.event;
e.target = e.target || e.srcElement;
var left = e.clientX - $boxOffset.left+10;
var top = e.clientY - $boxOffset.top+10;
$mark.stop().show(500).css({left:left,top:top}).find("img").attr("src",e.target.getAttribute("bigImg"));
}).bind("mousemove",function(e){
var e = e || window.event;
e.target = e.target || e.srcElement;
var left = e.clientX - $boxOffset.left+10;
var top = e.clientY - $boxOffset.top+10;
$mark.css({left:left,top:top}).find("img").attr("src",e.target.getAttribute("bigImg"));
}).bind("mouseout",function(e){
$mark.stop().hide(500);
})
})
</script>
</body>
</html>
