html运行实例（jsck_element_requestfullscreen）-搜寻教程库

代码示例：（标识：jsck_element_requestfullscreen）

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>

<h2>通过 JavaScript 实现全屏</h2>

<p>请单击按钮以全屏模式打开视频。</p>
<button onclick="openFullscreen();">以全屏模式打开视频</button>
<p><strong>提示：</strong>请按“Esc”键退出全屏。</p>

<video width="100%" controls id="myvideo">
  <source src="/static/demo/video/shanghai.mp4" type="video/mp4">
  您的浏览器不支持 video 标签。
</video>

<script>
/* 获取需全屏显示的元素 */ 
var elem = document.getElementById("myvideo");

/* 打开全屏模式的函数 */
function openFullscreen() {
  if (elem.requestFullscreen) {
    elem.requestFullscreen();
  } else if (elem.webkitRequestFullscreen) { /* Safari */
    elem.webkitRequestFullscreen();
  } else if (elem.msRequestFullscreen) { /* IE11 */
    elem.msRequestFullscreen();
  }
}
</script>

<p>注释：Internet Explorer 10 及更早版本不支持全屏模式。</p>

</body>
</html>