1) attribute of the video element:
autoplay - If present, this attribute will cause the browser to May start playing video immediately;
preload="none" - the video will not be loaded until the user starts playing it;
preload="metadata" - Only the metadata of the video can be loaded before the user starts playing;
preload="auto" --Request the browser to download the entire video as quickly as possible. The browser can ignore this request. This is the default behavior #；
loop——If exists, this attribute will let the browser play the video repeatedly;
poster——Specify the video data loaded Picture displayed when entering;
height
——Specify the height of the video;——Specify the width of the video;muted——If this attribute exists, the video will be muted starting from ;
src——Specify the video to be displayed;
1.1) source element: provide alternative video formats to the browser; src——Specify the video to be displayed;
type——Specify the MIME type of the file;
2) The attributes of the audio element are basically the same as those of the video element and will not be repeated;
3) Members of the HTMLMediaElement
object:
autoplay——Get or set whether the autoplay attribute exists;
##canPlayType(
currentSrc - Get the current source;
controls - Get or Set whether the controls attribute exists;defaultMuted - Get or set whether the muted attribute initially exists;
loop - Get or set loop Whether the attribute exists;
muted - Gets or sets whether the muted attribute exists;
preload - Gets or sets the value of the preload attribute;
src——Get or set the value of the src attribute;
volume——Get or set the volume, ranging from 0.0 to 1.0;
3.1) Additional properties of the HTMLVideoElement object:
height - Gets or sets the value of the height attribute ;
width——Get or set the value of the width attribute;
videoHeight——Get the original height of the video;
videoWidth——Get the original width of the video;
poster——Get or set the value of the poster attribute;
##3.2) HTMLMediaElementPlayback members of the object:
##currentTime——Returns the current playback point of the media file;
duration——Returns the total duration of the media file;
ended——Returns true if the media file has finished playing;
pause()——Pauses media playback;
paused——Returns true if playback is paused, otherwise returns false;
play()——Start playback of media;
##<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>上海远地资产管理有限公司</title>
<meta name="author" content="jason"/>
<meta name="description" content="上海远地资产管理有限公司（简称：远地资产），是一家专业的互联网金融服务平台."/>
<link rel="shortcut icon" href="images/favicon.ico" type="image/x-icon"/>
<style type="text/css">
table{
border-collapse: collapse;
border:thin solid black;
}
th,td{
padding: 3px 4px;
}
body > *{
float: left;
margin: 2px;
}
</style>
</head>
<body>
<video width="360" height="240" src="raw/timessquare.webm" autoplay controls preload="none" muted>
</video>
<video width="360" height="240" src="raw/timessquare.webm" controls preload="none" muted>
视频不能播放
</video>
<video width="360" height="240" src="raw/timessquare.webm" controls preload="metadata" muted>
视频不能播放
</video>
<video width="360" height="240" src="raw/timessquare.webm" controls preload="none" poster="images/poster.png">
视频不能播放
</video>
<video id="media" controls="controls" width="360" height="240">
<source src="raw/timessquare.webm" type="video/webm"/>
<source src="raw/timessquare.ogv" type="video/ogg"/>
<source src="raw/timessquare.mp4" type="video/mp4"/>
<embed src="http://player.youku.com/player.php/sid/XMTI3NjI2MzQ2MA==/v.swf"
quality="high" width="360" height="240" align="middle" allowScriptAccess="always" allowFullScreen="true"
mode="transparent" type="application/x-shockwave-flash">
</embed>
</video>
<table id="info" border="1">
<tr><th>Property</th><th>Value</th></tr>
</table>
<p>
<button id="play">播放</button>
<button id="pause">暂停</button>
</p>
<!--获取媒体元素的基本信息
<script type="text/javascript">
var mediaElem=document.getElementById("media");
var tableElem=document.getElementById("info");
var propertyNames=["autoplay","currentSrc","controls","loop","muted","preload","src","volume"];
for(var i=0;i<propertyNames.length;i++){
tableElem.innerHTML+="<tr><td>"+propertyNames[i]+"</td><td>"+mediaElem[propertyNames[i]]+"</td></tr>";
}
</script>
-->
<script type="text/javascript">
var mediaElem=document.getElementById("media");
var buttons=document.getElementsByTagName("button");
for(var i=0;i<buttons.length;i++){
buttons[i].onclick=handleButtonPress;
}
function handleButtonPress(e){
switch (e.target.id){
case 'play':
mediaElem.play();
break;
case 'pause':
mediaElem.pause();
break;
}
}
</script>
</body>
</html>
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