<style>
*{
margin: 0;
padding: 0;
list-style:none;
}
div{
1200px;
height: 400px;
border:2px solid #000;
margin: 100px auto;
}
li{
240px;
height: 400px;
float: left;
}
/*有图片*/
li:nth-child(1){
background-image: url("imgs/1.jpg");
}
li:nth-child(2){
background-image: url("imgs/2.jpg");
}
li:nth-child(3){
background-image: url("imgs/3.jpg");
}
li:nth-child(4){
background-image: url("imgs/4.jpg");
}
li:nth-child(5){
background-image: url("imgs/5.jpg");
}
</style>
</head>
<body>
<div>
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
<script src="jquery-1.12.4.js"></script>
<script>
$.fn.accordion = function (colors, width) {
colors = colors || [];
width = width || 0;
var $li = this.find("li");
var boxLength = this.width();
var maxLength = boxLength - ($li.length - 1) * width;
var avgLength = boxLength / $li.length;
//更改li的颜色
$li.each(function (i, e) {
$(e).css("backgroundColor", colors[i]);
});
//给li注册鼠标经过事件
$li.on("mouseenter", function () {
$(this).stop().animate({ maxLength}).siblings().stop().animate({ width})
});
$li.on("mouseleave", function () {
$li.stop().animate({ avgLength});
});
};
</script>