如何实现视频网站常见的页面向下滚动时的浮动视频小窗口 - 踏得网

Scroll Reaction with Fixed Video Box，类似Youtube等视频页面常见的交互效果，页面滚动到下面评论区时，在页面右下角固定位置弹出一个浮层小窗口来继续显示视频。

html5, video, template

《aframe.js 3d拼图代码详解》作品已被踏得网收录！

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CSS
JavaScript
Result

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JavaScript

编译

CSS

* {
    box-sizing: border-box;
}
body {
    font-family: sans-serif;
    background: #121314;
}
#site {
    width: 600px;
    margin: 50px auto;
}
#bloc {
    display: block;
    position: static;
    overflow: hidden;
}
.box {
    margin: 10px;
}
#videoBox {
    border: 10px solid #212223;
    transition: 0.5s;
}
#commentsBox {
    float: left;
    width: 340px;
}
#suggBox {
    float: left;
    width: 220px;
}
#commentsBox > div,
#suggBox > div {
    background: #212223;
    margin-bottom: 20px;
    padding: 20px 30px;
}
#suggBox p span {
    width: 100%;
    display: block;
    background: #924;
    height: 8px;
    margin: 10px 0;
}
#suggBox p:before {
    width: 30%;
    content: ' ';
    display: block;
    background: #121314;
    height: 8px;
    margin: 10px 0;
}
#suggBox p:after {
    width: 70%;
    content: ' ';
    display: block;
    background: #999;
    height: 8px;
    margin: 10px 0;
}
#commentsBox p span {
    width: 100%;
    display: block;
    background: #eee;
    height: 6px;
    margin: 15px 0;
}
#commentsBox p:before {
    width: 30%;
    content: ' ';
    display: block;
    background: #121314;
    height: 6px;
    margin: 10px 0;
}
#commentsBox p:after {
    width: 70%;
    content: ' ';
    display: block;
    background: #eee;
    height: 6px;
    margin: 10px 0;
}
video {
    width: 100%;
    vertical-align: bottom;
}
#videoBox.in {
    animation: ac 1s;
}
#videoBox.out {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 300px;
    z-index: 999;
    animation: an 0.5s;
}

HTML

<div id="site">

<div id="videoBox" class="box">
        <video width="400" controls>
            <source src="/uploads/151001/passing_through.mp4" type="video/mp4">
                Your browser does not support HTML5 video.
        </video>
    </div>

<div id="bloc">

<div id="commentsBox" class="box">
            <div>
                <p><span></span><span></span><span></span><span></span>
                </p>
            </div>
            <div>
                <p><span></span><span></span><span></span><span></span>
                </p>
            </div>
            <div>
                <p><span></span><span></span><span></span><span></span>
                </p>
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                </p>
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                </p>
            </div>
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                <p><span></span><span></span><span></span><span></span>
                </p>
            </div>
        </div>

<div id="suggBox" class="box">
            <div>
                <p><span></span>
                </p>
            </div>
            <div>
                <p><span></span>
                </p>
            </div>
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</div>

</div>