一款javascript实现的超炫的下拉选择框

今天为给大家带来一款javascript实现的超炫的下拉选择框。下拉的列表由半用透明的幽灵按钮组成。显示下拉的时候，列表项由左右两侧飞入。消息时飞向左右两侧。一起看下效果图

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实现的代码。

html代码：

 <div class="scifiUI">
        <h1>
            Scifi Dropdown</h1>
        <ul>
            <li>Interactive</li>
            <li>Animated</li>
            <li>Scifi-styled</li>
            <li>Maintainable</li>
            <li>Scalability</li>
            <li>Cool</li>
            <li>Fun</li>
        </ul>
    </div>

css代码：

  html, body
        {
            overflow: hidden;
            background: url(ironwall.jpg) #000 top center no-repeat;
            background-size: 100% 100%;
            width: 100%;
            height: 100%;
            font-family: 'Rajdhani' , sans-serif;
            font-size: 18px;
            letter-spacing: .1em;
        }
        
        .glow, .scifiUI:hover h1, .scifiUI:hover ul li
        {
            box-shadow: 0 0 25px #00dcdc, 0 1px 5px #212121;
            border-color: #00dcdc;
            background: #00dcdc;
            color: rgba(33, 33, 33, 0.7);
        }
        
        .scifiUI
        {
            width: 300px;
            margin: 100px auto;
        }
        .scifiUI:hover h1:after
        {
            border-top-color: rgba(33, 33, 33, 0.7);
        }
        .scifiUI:hover ul li
        {
            -ms-transform: skew(0);
            -webkit-transform: skew(0);
            transform: skew(0);
            width: 300px;
            height: 50px;
        }
        .scifiUI:hover ul li:nth-child(1)
        {
            left: 0;
        }
        .scifiUI:hover ul li:nth-child(2)
        {
            left: 0;
        }
        .scifiUI:hover ul li:nth-child(3)
        {
            left: 0;
        }
        .scifiUI:hover ul li:nth-child(4)
        {
            left: 0;
        }
        .scifiUI:hover ul li:nth-child(5)
        {
            left: 0;
        }
        .scifiUI:hover ul li:nth-child(6)
        {
            left: 0;
        }
        .scifiUI:hover ul li:nth-child(7)
        {
            left: 0;
        }
        .scifiUI *
        {
            -webkit-transition: all 300ms ease-in-out;
            transition: all 300ms ease-in-out;
        }
        .scifiUI h1
        {
            position: relative;
            display: block;
            width: 300px;
            height: 50px;
            line-height: 50px;
            border: 1px solid #00bebe;
            background: rgba(0, 190, 190, 0.2);
            color: #00bebe;
            font-size: 1.6em;
            text-align: center;
            cursor: pointer;
        }
        .scifiUI h1:after
        {
            content: '';
            display: block;
            position: absolute;
            top: 20px;
            right: 15px;
            border-top: 10px solid #00bebe;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            border-bottom: 0;
        }
        .scifiUI ul
        {
            list-style: none;
            position: relative;
            top: -20px;
        }
        .scifiUI ul li
        {
            -webkit-transform: skew(45deg) scaleY(-3);
            -ms-transform: skew(45deg) scaleY(-3);
            transform: skew(45deg) scaleY(-3);
            box-shadow: 0 3px 0 5px #212121 inset;
            position: absolute;
            display: block;
            width: 200px;
            height: 50px;
            line-height: 50px;
            border: 1px solid #00bebe;
            background: #00dcdc;
            text-align: center;
            font-size: 1.6em;
            cursor: pointer;
        }
        .scifiUI ul li:nth-child(1)
        {
            top: 0px;
            left: -500%;
        }
        .scifiUI ul li:nth-child(2)
        {
            top: 50px;
            left: 500%;
        }
        .scifiUI ul li:nth-child(3)
        {
            top: 100px;
            left: -500%;
        }
        .scifiUI ul li:nth-child(4)
        {
            top: 150px;
            left: 500%;
        }
        .scifiUI ul li:nth-child(5)
        {
            top: 200px;
            left: -500%;
        }
        .scifiUI ul li:nth-child(6)
        {
            top: 250px;
            left: 500%;
        }
        .scifiUI ul li:nth-child(7)
        {
            top: 300px;
            left: -500%;
        }
        .scifiUI ul li:hover
        {
            -webkit-transform: scale(1.08);
            -ms-transform: scale(1.08);
            transform: scale(1.08);
            font-size: 1.8em;
        }

js这里引用的是angular.min.js

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