全屏模式

//W3C if (docElm.requestFullscreen) {      docElm.requestFullscreen();} //FireFox else if (docElm.mozRequestFullScreen) {      docElm.mozRequestFullScreen();} //Chrome等else if (docElm.webkitRequestFullScreen) {      docElm.webkitRequestFullScreen();}//IE11else if (docElm.msRequestFullscreen) {      document.body.msRequestFullscreen();}

 

退出全屏模式

if (document.exitFullscreen) { 　　document.exitFullscreen();}else if (document.msExitFullscreen) {    document.msExitFullscreen();}else if (document.mozCancelFullScreen) {    document.mozCancelFullScreen();}else if (document.webkitCancelFullScreen) {    document.webkitCancelFullScreen();}else {    window.parent.showTopBottom();}