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KISSY(JS)炫动导航,缓动应用实例(^_^)

一个基于KISSY的简单的动画导航,效果还不错,有点像flash的效果。鼠标移到每一个连接上,背景滑块会迅速移到该链接下方,同时平滑改变大小,自适应链接尺寸,并伴随来回的轻微波动,动感相当不错,呵呵,废话不多说了,看demo吧。 

效果查看: http://www.seejs.com/demos/examples/animNav/index.html  

特别感谢评论中各位提出的由于在各个链接中快速移动导致的bug,现在已经做了简单的处理,效果应该好多了,呵呵... 
1. [代码][JavaScript]代码   
<!DOCTYPE html>
 
<html>
<head>
    <meta charset="utf-8">
    <title>KISSY动画导航</title>
<style>
    ul,li {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    a {
        text-decoration: none;
    }
    .nav {
        position: relative;
        margin: 0 auto;
        width: 990px;
        _height: 51px;
        background-color: #000;
        font: 14px/1.5 ‘微软雅黑‘;
        color: #fff;
    }
    .block {
        position: absolute;
        z-index: 9;
        left: 0;
        top: 0;
        width: 0;
        height: 0;
        border-radius: 4px;
        background-color: #f00;
    }
    .nav-list {
        position: relative;
        _position: absolute;
        z-index: 10;
        padding-left: 20px;
        overflow: hidden;
    }
    .nav-list .item {
        float: left;
        padding: 15px 20px;
    }
    .nav-list .item a {
        color: #fff;
    }
</style>
</head>
<body>
<div id="Y_nav" class="nav">
    <span id="Y_block" class="block"></span>
    <ul class="nav-list">
        <li class="item"><a href="" target="_blank">首页</a></li>
        <li class="item"><a href="" target="_blank">淘宝网</a></li>
        <li class="item"><a href="" target="_blank">天猫商城</a></li>
        <li class="item"><a href="" target="_blank">一淘UX团队PC&广告</a></li>
        <li class="item"><a href="" target="_blank">京东、当当、卓越亚马逊等等</a></li>
    </ul>http://www.huiyi8.com/hehua/
</div> ?
<script src="http://a.tbcdn.cn/s/kissy/1.2.0/kissy-min.js"></script>
<script>
(function(S){
    var D = S.DOM, E = S.Event;
    var box = D.get("#Y_nav"), block = D.get("#Y_block"), eles = D.query(".item", "#Y_nav");
    var cur = 0, cur_w = D.outerWidth(eles[cur]), cur_h = D.outerHeight(eles[cur]) - 8, cur_l = eles[cur].offsetLeft, cur_t = eles[cur].offsetTop + 4;
    var _t = null;
    new S.Anim(block, {"left":cur_l,"top":cur_t,"width":cur_w,"height":cur_h}, 0.3, "backOut", function(){}).run();
    E.on(eles, "mouseenter", function(){
        var _this = this;
        if(_t){clearTimeout(_t);}
        _t = setTimeout(function(){
            cur = S.indexOf(_this, eles);
            cur_w = D.outerWidth(eles[cur]), cur_h = D.outerHeight(eles[cur]) - 8, cur_l = eles[cur].offsetLeft, cur_t = eles[cur].offsetTop + 4;
            new S.Anim(block, {"left":cur_l,"top":cur_t,"width":cur_w,"height":cur_h}, 0.5, "backOut", function(){}).run();
        }, 200);
 
    });
})(KISSY);
</script>
</body>
</html>

KISSY(JS)炫动导航,缓动应用实例(^_^)