我正在关注thisgreattutorialfromSitePoint在我网站的一些图片上实现点击时全屏显示。我的代码与theexampleprovidedbySitePoint非常相似，但这是我的代码:HTMLJS$('.fullscreenOnClick').on('click',function(e){e.preventDefault;varelem=this;if(elem.requestFullscreen){elem.requestFullscreen();}elseif(elem.msRequestFullscreen){elem.msRequestFullscreen(