我有兴趣设置包含多个视频片段的HTML页面,以便每个视频片段仅在可见时播放,然后在视线之外时暂停播放。我发现this great example如何用一个剪辑实现,但我一直无法修改代码以使用多个剪辑。也许我需要将此代码转换为易于重用的函数?这是我到目前为止(上面链接的JS Bin为2个剪辑而不是1个剪辑)。此代码似乎只适用于两个剪辑中的一个。HTML5和Javascript仅在可见时播放视频
<!DOCTYPE html>
<html>
<!-- Created using jsbin.com Source can be edited via http://jsbin.com/ocupor/1/edit
-->
<head>
<meta charset=utf-8 />
<title>JS Bin</title>
<style>
#right {
position: absolute;
top: 2000px;
}
#video1 {
position: absolute;
left: 2000px;
top: 2000px;
}
#video2 {
position: absolute;
left: 2000px;
top: 3000px;
}
</style>
<style id="jsbin-css">
</style>
</head>
#
<body style="width: 4000px; height: 4000px;">
<div id="info"></div>
<div id="down">
scroll down please...
</div>
<div id="right">
scroll right please...
</div>
<video id="video1">
<source src="http://video-js.zencoder.com/oceans-clip.mp4"/>
</video>
<script>
var video = document.getElementById('video1'), fraction = 0.8;
function checkScroll() {
var x = video.offsetLeft, y = video.offsetTop, w = video.offsetWidth, h = video.offsetHeight, r = x + w, //right
b = y + h, //bottom
visibleX, visibleY, visible;
visibleX = Math.max(0, Math.min(w, window.pageXOffset + window.innerWidth - x, r - window.pageXOffset));
visibleY = Math.max(0, Math.min(h, window.pageYOffset + window.innerHeight - y, b - window.pageYOffset));
visible = visibleX * visibleY/(w * h);
if (visible > fraction) {
video.play();
} else {
video.pause();
}
}
checkScroll();
window.addEventListener('scroll', checkScroll, false);
window.addEventListener('resize', checkScroll, false);
</script>
<video id="video2">
<source src="http://video-js.zencoder.com/oceans-clip.mp4"/>
</video>
<script>
var video = document.getElementById('video2'), fraction = 0.8;
function checkScroll() {
var x = video.offsetLeft, y = video.offsetTop, w = video.offsetWidth, h = video.offsetHeight, r = x + w, //right
b = y + h, //bottom
visibleX, visibleY, visible;
visibleX = Math.max(0, Math.min(w, window.pageXOffset + window.innerWidth - x, r - window.pageXOffset));
visibleY = Math.max(0, Math.min(h, window.pageYOffset + window.innerHeight - y, b - window.pageYOffset));
visible = visibleX * visibleY/(w * h);
if (visible > fraction) {
video.play();
} else {
video.pause();
}
} checkScroll();
window.addEventListener('scroll', checkScroll, false);
window.addEventListener('resize', checkScroll, false);
</script>
</body>
</html>
我想让这个代码为我工作,这是更简单。不过,我遇到了麻烦。由于我已切换到基于WordPress的网站,因此我的视频遵循以下示例格式:'class =“wp-video-shortcode”id =“video-1115-1”' – UltrasoundJelly
任何将[0]修改为与此工作是'video-XXXX-X'格式? – UltrasoundJelly
我们可以向Vimeo申请它是否在iframe下运行?如何? – wpcoder