js 全屏显示

js设置浏览器全屏显示

HTML部分：

<input id="Button1" type="button" value="开始全屏" onclick="kaishi()" />  <input id="Button2" type="button" value="关闭全屏" onclick="guanbi()" />

js部分：

 function kaishi()      {          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();          }      }      function guanbi() {          if (document.exitFullscreen) {              document.exitFullscreen();          }          else if (document.mozCancelFullScreen) {              document.mozCancelFullScreen();          }          else if (document.webkitCancelFullScreen) {              document.webkitCancelFullScreen();          }          else if (document.msExitFullscreen) {              document.msExitFullscreen();          }      }      document.addEventListener("fullscreenchange", function () {          fullscreenState.innerHTML = (document.fullscreen) ? "" : "not ";      }, false);       document.addEventListener("mozfullscreenchange", function () {          fullscreenState.innerHTML = (document.mozFullScreen) ? "" : "not ";      }, false);      document.addEventListener("webkitfullscreenchange", function () {          fullscreenState.innerHTML = (document.webkitIsFullScreen) ? "" : "not ";      }, false);      document.addEventListener("msfullscreenchange", function () {          fullscreenState.innerHTML = (document.msFullscreenElement) ? "" : "not ";      }, false);