fullScreen () { if (this.isfullScreen) { //data中定义 var docElm = document.documentElement if (docElm.requestFullscreen) { //发出异步请求使元素进入全屏模式 docElm.requestFullscreen() } else if (docElm.mozRequestFullScreen) { docElm.mozRequestFullScreen() } else if (docElm.webkitRequestFullScreen) { docElm.webkitRequestFullScreen() } else if (elem.msRequestFullscreen) { elem.msRequestFullscreen() } this.isfullScreen = false } else { if (document.exitFullscreen) { document.exitFullscreen() } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen() } else if (document.webkitCancelFullScreen) { document.webkitCancelFullScreen() } else if (document.msExitFullscreen) { document.msExitFullscreen() } this.isfullScreen = true } },
