console 命令行工具 X clear

console

var myvideo1=document.getElementById(video1);
function play(){	
  if(myvideo1.paused){
    myvideo1.play();
  }  
  else{
    myvideo1.pause();
  }
}

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>test1</title>
</head>
<body>
  <div>
    <button onclick="play()" align="center">播放/暂停</button>
    <br />
    <video wedith="320" height="240" controls="controls">
      your browser dose not support the video tag
    </video>
    <br />
    <audio src="" controls="controls">
      your browser dose not support the audio tag
    </audio>
  </div>
</body>
</html>