JS全屏代码

<button type="button" class="admin-side-full">全屏</button>

<script type="text/javascript">
    $('.admin-side-full').on('click', function () {
        console.log(localStorage.full);
        if (!localStorage.full || localStorage.full== 0) {
            localStorage.full=1;
            var docElm = document.documentElement;
            //W3C
            if (docElm.requestFullscreen) {
                docElm.requestFullscreen();
            }
            //FireFox
            else if (docElm.mozRequestFullScreen) {
                docElm.mozRequestFullScreen();
            }
            //Chrome等
            else if (docElm.webkitRequestFullScreen) {
                docElm.webkitRequestFullScreen();
            }
            //IE11
            else if (elem.msRequestFullscreen) {
                elem.msRequestFullscreen();
            }
            // layer.msg('按Esc即可退出全屏');
        } else {
            localStorage.full=0;
            if(document.exitFullscreen) {
                document.exitFullscreen();
            } else if(document.mozCancelFullScreen) {
                document.mozCancelFullScreen();
            } else if(document.webkitExitFullscreen) {
                document.webkitExitFullscreen();
            }
        }
    });
</script>