JavaScript: FullScreen

 

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<!doctype html>
<html>
<head>
<meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<meta name="apple-moible-web-app-capable" content="yes">
<meta name="apple-moible-web-app-status-bar-style" content="black">  
<title>FullScreen</title>
    <meta content="font，孤僻字，如：叮𪠽，涂聚文，Geovin Du，塗聚文，geovindu,捷为工作室" name="keywords">
<meta content="font，孤僻字，涂聚文，Geovin Du，塗聚文，geovindu,捷为工作室" name="description">
    <style>
    .box{
        width: 200px;
        height: 200px;
        background-color: red;
    }
    </style>
<script>
    // 进入全屏  https://developer.mozilla.org/en-US/docs/Web/API/Element/requestFullScreen
    //https://www.w3schools.com/jsref/met_element_requestfullscreen.asp
    const enterFullScreen = (el) => {
      if (el.requestFullscreen) {
        el.requestFullscreen();
      } else if (el.mozRequestFullScreen) {
        el.mozRequestFullScreen();
      } else if (el.webkitRequestFullscreen) {
        el.webkitRequestFullscreen();
      } else if (el.msRequestFullscreen) {
        el.msRequestFullscreen();
      }
    }
     
    // 退出全屏
    const exitFullscreen = () => {
      if (document.exitFullscreen) {
        document.exitFullscreen();
      } else if (document.webkitExitFullscreen) {
        document.webkitExitFullscreen();
      } else if (document.mozCancelFullScreen) {
        document.mozCancelFullScreen();
      } else if (document.msExitFullscreen) {
        document.msExitFullscreen();
      }
    }
     
    // 当前处于全屏的元素
    const fullscreenElement = () => {
      return document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement || null;
    }
     
     // 是否处于全屏
    const isFullscreen = () => {
      return !!fullscreenElement()
    }
     
     
     // 切换
    const toggleFullScreen = () => {
        isFullscreen()?
        exitFullscreen():
        enterFullScreen(el);
    }
     
    </script>
</head>
 
<body>
<div class="box" id="box"></div>
 
<script>
    const el = document.getElementById('box');
    el.onclick = toggleFullScreen;
</script>
</body>
</html>

　　

posted @   ®Geovin Du Dream Park™  阅读(34)  评论(0)  编辑  收藏  举报
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