HTML5-Video & Audio

---

<!DOCTYPE html>
<html>

    <head>
        <meta charset="utf-8" />
        <title>HTML5-Video & Audio</title>
    </head>

    <body>

        <div style="text-align:center;">
            <button onclick="playPause()">播放/暂停</button>
            <button onclick="makeBig()">大</button>
            <button onclick="makeNormal()">中</button>
            <button onclick="makeSmall()">小</button>
            <br />
            <!-- 视频 -->
            <!--使用了 4 中不同的视频格式。HTML 5 <video> 元素会尝试播放以 mp4、ogg 或 webm 格式中的一种来播放视频。如果均失败，则回退到 <embed> 元素。-->
            <video id="video1" width="320" style="margin-top:15px;" controls="controls">
                <source src="movie.mp4" type="video/mp4" />
                <source src="movie.ogg" type="video/ogg" />
                <source src="movie.webm" type="video/webm" />
                <object data="movie.mp4" width="320" height="240">
                    <embed src="movie.swf" width="320" height="240" />
                </object>
                Your browser does not support HTML5 video.
            </video>
            <br />
            <!-- 音频 -->
            <audio controls="controls">
                <source src="song.ogg" type="audio/ogg">
                <source src="song.mp3" type="audio/mpeg">
                Your browser does not support the audio tag.
            </audio>
        </div>

        <script type="text/javascript">
            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>