html5实现视频(放大缩小播放暂停)

效果如下图:
html5实现视频(放大缩小播放暂停)_第1张图片


<html>
<body>
<meta charset="utf-8">
<div style="text-align:center;">
    <button onclick="playPause()">播放/暂停button>
    <button onclick="makeBig()">button>
    <button onclick="makeNormal()">button>
    <button onclick="makeSmall()">button>
    <br />
    <video id="video1" width="420" style="margin-top:15px;" controls="controls">
            <source src="mov_bbb.mp4" type="video/mp4" />  
        <source src="mov_bbb.ogg" type="video/ogg" />
        Your browser does not support HTML5 video.
    video>
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>

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