[HTML]JS全屏代码

video全屏参考：https://www.thecssninja.com/javascript/fullscreen

注：IE不可用 

 

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>JS全屏</title>
<style>
html:-moz-full-screen {background: red}
html:-webkit-full-screen {background: red}
html:fullscreen {background: red}
</style>
</head>

<body>
<a href="#" onClick="fullscreen()">fullscreen</a>&nbsp;|&nbsp;<a href="#" onClick="exitFullscreen()">exitFullscreen</a>
<p id="state">no</p>
<script>
// 全屏
function fullscreen() {
  var docElm = document.documentElement;
  if (docElm.requestFullscreen) {
    docElm.requestFullscreen();
  } else if (docElm.mozRequestFullScreen) {
    docElm.mozRequestFullScreen();
  } else if (docElm.webkitRequestFullScreen) {
    docElm.webkitRequestFullScreen();
  } else if (docElm.msRequestFullscreen) {
    docElm.msRequestFullscreen();
  }
}

// 退出全屏
function exitFullscreen() {
  if (document.exitFullscreen) {
    document.exitFullscreen();
  } else if (document.mozCancelFullScreen) {
    document.mozCancelFullScreen();
  } else if (document.webkitCancelFullScreen) {
    document.webkitCancelFullScreen();
  } else if (document.msExitFullscreen) {
    document.msExitFullscreen();
  }
}

// 监听是否全屏
window.onload = function() {
  var elem = document.getElementById('state');
  document.addEventListener('fullscreenchange',
    function() {
      elem.innerText = document.fullscreen ? 'yes': 'no';
    },
  false);
  document.addEventListener('mozfullscreenchange',
    function() {
      elem.innerText = document.mozFullScreen ? 'yes': 'no';
    },
  false);
  document.addEventListener('webkitfullscreenchange',
    function() {
      elem.innerText = document.webkitIsFullScreen ? 'yes': 'no';
    },
  false);
  document.addEventListener('msfullscreenchange',
    function() {
      elem.innerText = document.msFullscreenElement ? 'yes': 'no';
    },
  false);
}
</script>
</body>
</html>

 

双击进入/退出全屏

function getFullscreenElement() {
    return document.fullscreenElement //standard property
        || document.webkitFullscreenElement //safari/opera support
        || document.mozFullscreenElement //firefox support
        || document.msFullscreenElement //ie/edge support
}

function toggleFullscreen() {
    if (getFullscreenElement()) {
        document.exitFullscreen()
    } else {
        document.documentElement.requestFullscreen().catch(console.log)
    }
}
document.addEventListener('dblclick', () => {
    toggleFullscreen()
})

 

posted @ 2016-09-27 21:16  炎峰森林影  阅读(5503)  评论(1)  编辑  收藏  举报