// Webkit
element.webkitRequestFullScreen();//进入全屏
document.webkitCancelFullScreen();//退出全屏

// Firefox
element.mozRequestFullScreen();
document.mozCancelFullScreen();
 
// W3C 
element.requestFullscreen();
document.exitFullscreen();

//进入全屏
function FullScreen() {
    var ele = document.documentElement;
    if (ele.requestFullscreen) {
        ele.requestFullscreen();
    } else if (ele.mozRequestFullScreen) {
        ele.mozRequestFullScreen();
    } else if (ele.webkitRequestFullScreen) {
        ele.webkitRequestFullScreen();
    }
}
//退出全屏
function exitFullscreen() {
    var de = document;
    if (de.exitFullscreen) {
        de.exitFullscreen();
    } else if (de.mozCancelFullScreen) {
        de.mozCancelFullScreen();
    } else if (de.webkitCancelFullScreen) {
        de.webkitCancelFullScreen();
    }
}

$(ele).on('click',function(){
    FullScreen();
   // exitFullscreen();
});