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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>视频播放(runoob.com)</title>
</head>
<body>
<div style="text-align:center">
<button onclick="playPause()">播放/暂停</button>
<button onclick="makeBig()">放大</button>
<button onclick="makeSmall()">缩小</button>
<button onclick="makeNormal()">普通</button>
<br>
<video id="video1" width="420">
<source src="mov_bbb.mp4" type="video/mp4">
<source src="mov_bbb.ogg" type="video/ogg">
您的浏览器不支持 HTML5 video 标签。
</video>
</div>
<script>
var myVideo=document.getElementById("video1");
function playPause()
{
if (myVideo.paused)
myVideo.play();
else
myVideo.pause();
}
function makeBig()
{
myVideo.width=560;
}
function makeSmall()
{
myVideo.width=320;
}
function makeNormal()
{
myVideo.width=420;
}
</script>
</body>
</html>
