JavaScript控制页面全屏
function fullScreenFun() { var iFullscreen = false; //当前是否全屏状态 var fullscreenEnabled = document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled || document.msFullscreenEnabled; if (fullscreenEnabled) { let de = document.documentElement; if (iFullscreen) { //关闭全屏 if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.webkitCancelFullScreen) { document.webkitCancelFullScreen(); } } else { //打开全屏 if (de.requestFullscreen) { de.requestFullscreen(); } else if (de.mozRequestFullScreen) { de.mozRequestFullScreen(); } else if (de.webkitRequestFullScreen) { de.webkitRequestFullScreen(); } } } else { alert('浏览器当前不能全屏'); } }